Mental Maths

Round off 138 to the nearest ten.

• 110

• 160

• 140

• 120

Tags

CCSS.5.NBT.A.4

Write 10 minutes to 6 in the evening in figures, using am or pm.

• 5:50pm

• 5:50am

• 5:10am

• 5:10pm

What is the average of 18, 24 and 18?

• 15

• 25

• 20

• 19

Tags

CCSS.5.NBT.B.6

CCSS.5.NBT.B.7

CCSS.5.NF.B.3

What is the next number?

145, 153, 161, _________

• 171

• 183

• 169

• 192

Tags

CCSS.5.OA.B.3

A common factor of 6 and 9 is 3. What is a common factor of 35 and 63 (not including 1)?

• 7

• 8

• 4

• 9

This shape is a______

• Tetrahedron

• Triangular prism

• Rectangular pyramid

• Square pyramid

Tags

CCSS.5.MD.C.3

Which is an odd number?

• 4

• 28

• 49

• 80

What number is between a halfway between 7 and 21?

• 18

• 10

• 12

• 14

Tags

CCSS.5.NBT.B.7

2 =  $\frac{20}{?}$  

• 30

• 40

• 10

• 20

Tags

CCSS.5.NF.B.3

Double the difference between 28 and 41.

• 26

• 21

• 32

• 28

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2