Instructions
Solve the following mental math problems. Write your answers in the spaces provided.
1. Addition
a) 58 + 37 = __________
b) 124 + 89 = __________
2. Subtraction
a) 95 - 48 = __________
b) 150 - 73 = __________
3. Multiplication
a) 12 x 8 = __________
b) 15 x 6 = __________
4. Division
a) 81 ÷ 9 = __________
b) 144 ÷ 12 = __________
5. Mixed Operations
a) (10 + 5) x 2 = __________
b) 100 - (25 ÷ 5) = __________
6. Word Problems
a) If a book costs $15 and you buy 3 books, how much do you spend? __________
b) A car travels 60 kilometers in an hour. How far will it travel in 4 hours? __________
7. Fractions
a) What is 1/2 of 80? __________
b) What is 3/4 of 60? __________
8. Percentages
a) What is 25% of 200? __________
b) What is 10% of 50? __________
9. Estimation
b) Estimate the difference between 155 and 67 (round to nearest ten): __________
10. Challenge Question
If you have 12 apples and you give away 5, then you buy 8 more, how many apples do you have now? __________