Mental Math Quiz - Grade 5

Rishab lives 2.5 KM away from school. He walks there and back every school day. How far does he walk in a week?

• 34

• 36

• 40

• None of these

There are 50 apples in a box. Four fifths have gone bad. How many are OK?

• 35

• 45

• 40

• 30

Find the volume of a cuboid which measures

7 cm by 10 cm by 2 cm.

• 150 cubic cm

• 120 cubic cm

• 140 cubic cm

• 160 cubic cm

Product of smallest prime number and smallest composite number is

• 6

• 8

• 10

• 7

I think of a number then I multiply it by 5.

Then I add 14.

The answer is 39.

What number did I think of ?

• 4

• 3

• 5

• 6

Add 234 to 11 then multiply by 2. What is the answer?

• 480

• 490

• 500

• 520

Think of the number 2276. Round it to the nearest 100.

• 2350

• 2200

• 2300

• 2250

train coach can hold 50 people. How many coaches would you need for 450 people?

• 10

• 11

• 9

• 8

The digit in unit’s place of the product

20 X 25 X 25 X 40X 22

• 0

• 7

• 5

• none of these

Factors of 9 are…..

• 1, 2 and 3

• 1, 2, 3 and 9

• 1, 2, and 9

• 1,3 and 9