Grade 3: Week 8 Mental Math Test

What number is 8 less than 102?

• 94

• 96

• 92

Subtract 75 from 326?

• 251

• 261

• 241

What number is halfway between 20 and 36?

• 24

• 28

• 26

An apple cost 39k and an orange 48k. How much for the two?

• 87k

• 78k

• 97k

What is   $\frac{1}{2}$  of #1.80? 

• 60k

• 70k

• 90k

How many minutes in  $1\frac{1}{2}$  hours?

• 75

• 80

• 90

What is twice 430?

• 380

• 660

• 860

What is the difference between 320 and 430?

• 90

• 120

• 110

When I take 18 from 24, I get

• 6

• 7

• 8

Subtract (8 + 9) from 25?

• 6

• 8

• 9