Question 1
Calculate:
a) $1+2\times3$
a
$7$
Question ID: 10210010010
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b) $1\times2+3$
a
$4$
Question ID: 10210010020
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c) $10-4\times2$
a
$2$
Question ID: 10210010030
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d) $10\times4-2$
a
$38$
Question ID: 10210010040
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e) $5+6\div2$
a
$8$
Question ID: 10210010050
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f) $20-10\div5$
a
$18$
Question ID: 10210010060
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g) $4+5\times3-8$
a
$11$
Question ID: 10210010070
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h) $50-4\div2-10\times3$
a
$18$
Question ID: 10210010080
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Question 2
Calculate:
a) $3+5^2$
a
$28$
Question ID: 10210020010
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b) $10-3^2$
a
$1$
Question ID: 10210020020
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c) $16\div2^2$
a
$4$
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d) $10\times5^2$
a
$250$
Question ID: 10210020040
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e) $2^3+1$
a
$9$
Question ID: 10210020050
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f) $3+8^2-1$
a
$66$
Question ID: 10210020060
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g) $6^2\div3$
a
$12$
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h) $7^2-3^2$
a
$40$
Question ID: 10210020080
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Question 3
Calculate:
a) $20-\sqrt{16}$
a
$16$
Question ID: 10210030010
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b) $27+\sqrt{9}$
a
$30$
Question ID: 10210030020
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c) $4\times\sqrt{25}$
a
$20$
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d) $64\div\sqrt{4}$
a
$36$
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Question 4
Calculate:
a) $2\times(3+4)$
a
$14$
Question ID: 10210040010
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b) $7-(2+3)$
a
$2$
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c) $30\div(10-4)$
a
$5$
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d) $9+(8-3)$
a
$14$
(there was no need for brackets in this question)
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e) $\left(4+6\right)^2$
a
$100$
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f) $\left(3\times4\right)^2$
a
$144$
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g) $\left(5-4\right)\times\left(20\div4\right)$
a
$5$
Question ID: 10210040070
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h) $\left(52-4^2\right)\div\left(2+4\right)^2$
a
$1$
Question ID: 10210040080
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Question 5
Calculate:
a) $4\times10\div5$
a
$8$
Question ID: 10210050010
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b) $50\div5\times2$
a
$20$
Question ID: 10210050020
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c) $15\times20\div4$
a
$75$
Question ID: 10210050030
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d) $100\div4\times5$
a
$125$
Question ID: 10210050040
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e) $60\times6\div2\times5$
a
$900$
Question ID: 10210050050
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f) $240\div20\times2\div3$
a
$8$
Question ID: 10210050060
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Question 6
Calculate:
a) $10-4+2$
a
$8$
Question ID: 10210060010
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b) $16+3-2$
a
$17$
Question ID: 10210060020
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c) $52-10+4$
a
$46$
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d) $20+10-20$
a
$10$
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e) $60-5+6-2$
a
$59$
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f) $40+20-5+3$
a
$58$
Question ID: 10210060060
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Question 7
Calculate:
a) $2^{3^2}$
a
$512$
Question ID: 10210070010
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b) $\sqrt{\sqrt{81}}$
a
$3$
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c) $2^{2^3}$
a
$256$
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d) $\sqrt{\sqrt{16}}$
a
$2$
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Question 8
Calculate:
a) $20-4\times2^2$
a
$4$
Question ID: 10210080010
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b) $3-3\times0+3\div3$
a
$4$
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c) $10+(5-3)^3$
a
$18$
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d) $8+5\times2+80\div4$
a
$38$
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e) $7\times\sqrt9-(9+10)$
a
$2$
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f) $27-18\div\left(2+1\right)^2$
a
$25$
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g) $8\times15\div3+4\times5^2$
a
$140$
Question ID: 10210080070
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h) $(8^2-6^2)\times(2^3+3^3)$
a
$980$
Question ID: 10210080080
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i) $5\times\left(20-3^2\right)^2$
a
$605$
Question ID: 10210080090
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j) $10-5(3-2(8-6))\div5$
a
$11$
Question ID: 10210080100
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k) $40-6\left(16-11\right)^2\div10$
a
$25$
Question ID: 10210080110
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l) $7+7\div7+7\times7-7$
a
$50$
Question ID: 10210080120
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m) $44\div22\div2\div2$
a
$0.5$ or $\frac12$
Question ID: 10210080130
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Question 9
Insert brackets into the following to make them correct
a) $4+3\times12=84$
a
$(4+7)\times12=88$
Question ID: 10210090010
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b) $5\times2+3=25$
a
$5\times(2+3)=25$
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c) $20-10+3=7$
a
$20-(10-3)=7$
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d) $5+6\times7+4=71$
a
$5+6\times(7+4)=71$
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e) $23-5+3\times6=0$
a
$23-(5+3\times6)=0$
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f) $2+4\times5-12=18$
a
$(2+4)\times5-12=18$
Question ID: 10210090060
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g) $5+7\times4-11+6=16$
a
$5+7\times4-(11+6)$
Question ID: 10210090070
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h) $7+2\times8+2\times8=88$
a
$(7+2)\times8+2\times8=88$
Question ID: 10210090080
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i) $5+7\times80\div20=48$
a
$(5+7)\times(80\div20)=48$
Question ID: 10210090090
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j) $6+2^2\times10\div25=4$
a
$(6+2^2)\times10\div25=4$
Question ID: 10210090100
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Question 10
Calculate:
a) $6+\frac{15}{3}$
a
$11$
Question ID: 10210100010
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b) $\frac{6+15}{3}$
a
$7$
Question ID: 10210100020
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c) $4\times\frac{10}{5}$
a
$8$
(there are two different ways to Calculate: the answer!)
Question ID: 10210100030
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d) $20\div\frac{28}{7}$
a
$5$
(there are two different ways to Calculate: the answer!)
Question ID: 10210100040
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e) $8\div2\times\frac{20}{5}$
a
$16$
Question ID: 10210100050
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f) $20\div4\times\frac{88}{6+5}$
a
$40$
Question ID: 10210100060
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g) $12+\frac{32-20}{2^2+2}-10$
a
$4$
Question ID: 10210100070
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Question 11
(
Harder) Insert brackets into the following to make them correct
a) $5+3^2-6\times7=406$
a
$(\left(5+3\right)^2-6)\times7=406$
Question ID: 10210110010
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b) $3\times18-3+6+4=15$
a
$3\times(18-(3+6+4)) = 15$
Question ID: 10210110020
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c) $10\times4-4-3^2\div3=10$
a
$10\times\left(4-\left(4-3\right)^2\right)\div3=10$
Question ID: 10210110030
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d) $100\div\sqrt{36}+2\times7\div1\times7-6=5$
a
$100\div\left(\sqrt{36}+2\times{7\div1\times(7-6)}\right)=5$
Question ID: 10210110040
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Question 12
How is this question correct?
a) Calculate $40-20+(3+1)$. You won't believe this, but the answer is $4$!
a
The $!$ in Mathematics means factorial.
So $4!=4\times3\times2\times1=24$
Question ID: 10210120010
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The $!$ in Mathematics means factorial.
So $4!=4\times3\times2\times1=24$
Question ID: 10210120010
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Question 1
Calculate:
a) $1+2\times3$
b) $1\times2+3$
c) $10-4\times2$
d) $10\times4-2$
e) $5+6\div2$
f) $20-10\div5$
g) $4+5\times3-8$
h) $50-4\div2-10\times3$
Question 2
Calculate:
a) $3+5^2$
b) $10-3^2$
c) $16\div2^2$
d) $10\times5^2$
e) $2^3+1$
f) $3+8^2-1$
g) $6^2\div3$
h) $7^2-3^2$
Question 3
Calculate:
a) $20-\sqrt{16}$
b) $27+\sqrt{9}$
c) $4\times\sqrt{25}$
d) $64\div\sqrt{4}$
Question 4
Calculate:
a) $2\times(3+4)$
b) $7-(2+3)$
c) $30\div(10-4)$
d) $9+(8-3)$
e) $\left(4+6\right)^2$
f) $\left(3\times4\right)^2$
g) $\left(5-4\right)\times\left(20\div4\right)$
h) $\left(52-4^2\right)\div\left(2+4\right)^2$
Question 5
Calculate:
a) $4\times10\div5$
b) $50\div5\times2$
c) $15\times20\div4$
d) $100\div4\times5$
e) $60\times6\div2\times5$
f) $240\div20\times2\div3$
Question 6
Calculate:
a) $10-4+2$
b) $16+3-2$
c) $52-10+4$
d) $20+10-20$
e) $60-5+6-2$
f) $40+20-5+3$
Question 7
Calculate:
a) $2^{3^2}$
b) $\sqrt{\sqrt{81}}$
c) $2^{2^3}$
d) $\sqrt{\sqrt{16}}$
Question 8
Calculate:
a) $20-4\times2^2$
b) $3-3\times0+3\div3$
c) $10+(5-3)^3$
d) $8+5\times2+80\div4$
e) $7\times\sqrt9-(9+10)$
f) $27-18\div\left(2+1\right)^2$
g) $8\times15\div3+4\times5^2$
h) $(8^2-6^2)\times(2^3+3^3)$
i) $5\times\left(20-3^2\right)^2$
j) $10-5(3-2(8-6))\div5$
k) $40-6\left(16-11\right)^2\div10$
l) $7+7\div7+7\times7-7$
m) $44\div22\div2\div2$
Question 9
Insert brackets into the following to make them correct
a) $4+3\times12=84$
b) $5\times2+3=25$
c) $20-10+3=7$
d) $5+6\times7+4=71$
e) $23-5+3\times6=0$
f) $2+4\times5-12=18$
g) $5+7\times4-11+6=16$
h) $7+2\times8+2\times8=88$
i) $5+7\times80\div20=48$
j) $6+2^2\times10\div25=4$
Question 10
Calculate:
a) $6+\frac{15}{3}$
b) $\frac{6+15}{3}$
c) $4\times\frac{10}{5}$
d) $20\div\frac{28}{7}$
e) $8\div2\times\frac{20}{5}$
f) $20\div4\times\frac{88}{6+5}$
g) $12+\frac{32-20}{2^2+2}-10$
Question 11
(
Harder) Insert brackets into the following to make them correct
a) $5+3^2-6\times7=406$
b) $3\times18-3+6+4=15$
c) $10\times4-4-3^2\div3=10$
d) $100\div\sqrt{36}+2\times7\div1\times7-6=5$
Question 12
How is this question correct?
a) Calculate $40-20+(3+1)$. You won't believe this, but the answer is $4$!
Answers
Question 1
a) $7$
b) $4$
c) $2$
d) $38$
e) $8$
f) $18$
g) $11$
h) $18$
Question 2
a) $28$
b) $1$
c) $4$
d) $250$
e) $9$
f) $66$
g) $12$
h) $40$
Question 3
a) $16$
b) $30$
c) $20$
d) $36$
Question 4
a) $14$
b) $2$
c) $5$
d) $14$
(there was no need for brackets in this question)
e) $100$
f) $144$
g) $5$
h) $1$
Question 5
a) $8$
b) $20$
c) $75$
d) $125$
e) $900$
f) $8$
Question 6
a) $8$
b) $17$
c) $46$
d) $10$
e) $59$
f) $58$
Question 7
a) $512$
b) $3$
c) $256$
d) $2$
Question 8
a) $4$
b) $4$
c) $18$
d) $38$
e) $2$
f) $25$
g) $140$
h) $980$
i) $605$
j) $11$
k) $25$
l) $50$
m) $0.5$ or $\frac12$
Question 9
a) $(4+7)\times12=88$
b) $5\times(2+3)=25$
c) $20-(10-3)=7$
d) $5+6\times(7+4)=71$
e) $23-(5+3\times6)=0$
f) $(2+4)\times5-12=18$
g) $5+7\times4-(11+6)$
h) $(7+2)\times8+2\times8=88$
i) $(5+7)\times(80\div20)=48$
j) $(6+2^2)\times10\div25=4$
Question 10
a) $11$
b) $7$
c) $8$
(there are two different ways to Calculate: the answer!)
d) $5$
(there are two different ways to Calculate: the answer!)
e) $16$
f) $40$
g) $4$
Question 11
a) $(\left(5+3\right)^2-6)\times7=406$
b) $3\times(18-(3+6+4)) = 15$
c) $10\times\left(4-\left(4-3\right)^2\right)\div3=10$
d) $100\div\left(\sqrt{36}+2\times{7\div1\times(7-6)}\right)=5$
Question 12
a) The $!$ in Mathematics means factorial.
So $4!=4\times3\times2\times1=24$
Question 1
Calculate:
a) $1+2\times3$
b) $1\times2+3$
c) $10-4\times2$
d) $10\times4-2$
e) $5+6\div2$
f) $20-10\div5$
g) $4+5\times3-8$
h) $50-4\div2-10\times3$
Question 2
Calculate:
a) $3+5^2$
b) $10-3^2$
c) $16\div2^2$
d) $10\times5^2$
e) $2^3+1$
f) $3+8^2-1$
g) $6^2\div3$
h) $7^2-3^2$
Question 3
Calculate:
a) $20-\sqrt{16}$
b) $27+\sqrt{9}$
c) $4\times\sqrt{25}$
d) $64\div\sqrt{4}$
Question 4
Calculate:
a) $2\times(3+4)$
b) $7-(2+3)$
c) $30\div(10-4)$
d) $9+(8-3)$
e) $\left(4+6\right)^2$
f) $\left(3\times4\right)^2$
g) $\left(5-4\right)\times\left(20\div4\right)$
h) $\left(52-4^2\right)\div\left(2+4\right)^2$
Question 5
Calculate:
a) $4\times10\div5$
b) $50\div5\times2$
c) $15\times20\div4$
d) $100\div4\times5$
e) $60\times6\div2\times5$
f) $240\div20\times2\div3$
Question 6
Calculate:
a) $10-4+2$
b) $16+3-2$
c) $52-10+4$
d) $20+10-20$
e) $60-5+6-2$
f) $40+20-5+3$
Question 7
Calculate:
a) $2^{3^2}$
b) $\sqrt{\sqrt{81}}$
c) $2^{2^3}$
d) $\sqrt{\sqrt{16}}$
Question 8
Calculate:
a) $20-4\times2^2$
b) $3-3\times0+3\div3$
c) $10+(5-3)^3$
d) $8+5\times2+80\div4$
e) $7\times\sqrt9-(9+10)$
f) $27-18\div\left(2+1\right)^2$
g) $8\times15\div3+4\times5^2$
h) $(8^2-6^2)\times(2^3+3^3)$
i) $5\times\left(20-3^2\right)^2$
j) $10-5(3-2(8-6))\div5$
k) $40-6\left(16-11\right)^2\div10$
l) $7+7\div7+7\times7-7$
m) $44\div22\div2\div2$
Question 9
Insert brackets into the following to make them correct
a) $4+3\times12=84$
b) $5\times2+3=25$
c) $20-10+3=7$
d) $5+6\times7+4=71$
e) $23-5+3\times6=0$
f) $2+4\times5-12=18$
g) $5+7\times4-11+6=16$
h) $7+2\times8+2\times8=88$
i) $5+7\times80\div20=48$
j) $6+2^2\times10\div25=4$
Question 10
Calculate:
a) $6+\frac{15}{3}$
b) $\frac{6+15}{3}$
c) $4\times\frac{10}{5}$
d) $20\div\frac{28}{7}$
e) $8\div2\times\frac{20}{5}$
f) $20\div4\times\frac{88}{6+5}$
g) $12+\frac{32-20}{2^2+2}-10$
Question 11
(
Harder) Insert brackets into the following to make them correct
a) $5+3^2-6\times7=406$
b) $3\times18-3+6+4=15$
c) $10\times4-4-3^2\div3=10$
d) $100\div\sqrt{36}+2\times7\div1\times7-6=5$
Question 12
How is this question correct?
a) Calculate $40-20+(3+1)$. You won't believe this, but the answer is $4$!
Answers
Question 1
a) $7$
b) $4$
c) $2$
d) $38$
e) $8$
f) $18$
g) $11$
h) $18$
Question 2
a) $28$
b) $1$
c) $4$
d) $250$
e) $9$
f) $66$
g) $12$
h) $40$
Question 3
a) $16$
b) $30$
c) $20$
d) $36$
Question 4
a) $14$
b) $2$
c) $5$
d) $14$
(there was no need for brackets in this question)
e) $100$
f) $144$
g) $5$
h) $1$
Question 5
a) $8$
b) $20$
c) $75$
d) $125$
e) $900$
f) $8$
Question 6
a) $8$
b) $17$
c) $46$
d) $10$
e) $59$
f) $58$
Question 7
a) $512$
b) $3$
c) $256$
d) $2$
Question 8
a) $4$
b) $4$
c) $18$
d) $38$
e) $2$
f) $25$
g) $140$
h) $980$
i) $605$
j) $11$
k) $25$
l) $50$
m) $0.5$ or $\frac12$
Question 9
a) $(4+7)\times12=88$
b) $5\times(2+3)=25$
c) $20-(10-3)=7$
d) $5+6\times(7+4)=71$
e) $23-(5+3\times6)=0$
f) $(2+4)\times5-12=18$
g) $5+7\times4-(11+6)$
h) $(7+2)\times8+2\times8=88$
i) $(5+7)\times(80\div20)=48$
j) $(6+2^2)\times10\div25=4$
Question 10
a) $11$
b) $7$
c) $8$
(there are two different ways to Calculate: the answer!)
d) $5$
(there are two different ways to Calculate: the answer!)
e) $16$
f) $40$
g) $4$
Question 11
a) $(\left(5+3\right)^2-6)\times7=406$
b) $3\times(18-(3+6+4)) = 15$
c) $10\times\left(4-\left(4-3\right)^2\right)\div3=10$
d) $100\div\left(\sqrt{36}+2\times{7\div1\times(7-6)}\right)=5$
Question 12
a) The $!$ in Mathematics means factorial.
So $4!=4\times3\times2\times1=24$