Free Printable Cálculo mental

Free Printable Worksheets

Worksheets

Cálculo mental

Total questions: 13

Worksheet time: 5mins

Name

Class

Date

1.

$\sqrt[2]{121}$

a)

12

b)

11

c)

13

d)

10.5

2.

$\sqrt[2]{225}$

a)

35

b)

16

c)

25

d)

15

3.

$\sqrt[2]{81}$

a)

9

b)

8

c)

7

d)

6

4.

$14^2$

a)

206

b)

186

c)

196

d)

216

5.

$16^2$

a)

276

b)

236

c)

226

d)

256

6.

$12^2$

a)

144

b)

164

c)

204

d)

124

7.

Raíz aproximada de 110

a)

11.2

b)

10.1

c)

10.5

d)

11

8.

$6.5^2$

a)

36.25

b)

42.25

c)

56.25

d)

40.25

9.

$11.1^2$

a)

123.21

b)

132.21

c)

100.25

d)

121

10.

Raíz aproximada de 84

a)

9.1

b)

8.5

c)

10.2

d)

7.4

11.

$10.5^2$

a)

100.25

b)

110.25

c)

121.25

d)

105

12.

$\sqrt[2]{10^2-8^2}$

a)

8

b)

6

c)

7.5

d)

6.5

13.

$\sqrt[2]{5^2-4^2}$

(a)

Reset

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