Instructions
You have 10 minutes to answer as many of these questions as you can. Try to solve them in your head without using a calculator or writing anything down. Write your final answer in the space provided. Good luck!
- 350 + 160 = __________
- 900 - 255 = __________
- 45 + 55 + 20 = __________
- 12 x 8 = __________
- 630 ÷ 9 = __________
- What is 50% of 120? __________
- What is 1/4 of 80? __________
- 0.7 + 0.35 = __________
- (3 x 4) + 8 = __________
- 100 - (5 x 9) = __________
- Double 75 = __________
- 11 x 11 = __________
- Half of 150 = __________
- 62 + 78 = __________
- 132 ÷ 12 = __________
- What is 25% of 200? __________
- 3 x 1.5 = __________
- 5 x 6 x 2 = __________
- 1000 - 80 = __________
- What is the square root of 49? __________
- 10% of 500 = __________
- 6.5 - 2.0 = __________
- How many 20s are in 160? __________
- 9 x 7 + 10 = __________
- 15 x 100 = __________
Answer Key
- 510
- 645
- 120
- 96
- 70
- 60
- 20
- 1.05
- 20
- 55
- 150
- 121
- 75
- 140
- 11
- 50
- 4.5
- 60
- 920
- 7
- 50
- 4.5
- 8
- 73
- 1500