Grade 3 Mental Math Practice
A worksheet to practice mental math skills for 3rd graders, focusing on addition, subtraction, multiplication, and number patterns.
Includes
Standards
Grade 3 Mental Math Practice
Name:
Date:
Score:
Read each question carefully and answer as quickly as you can without using a calculator. Try to do the calculations in your head!
1. 30 + 50 =
2. 70 - 20 =
3. 15 + 8 =
4. 23 - 7 =
5. 45 + 10 + 5 =
6. What is 4 groups of 3?
7
12
10
1
7. Which number completes the equation: 5 x = 25?
4
6
5
10
8. What are the next two numbers in the pattern: 2, 4, 6, 8, , ?
9. Look at the number line below. What number is indicated by the star?
10. 6 x 2 = 12
True
False
11. 100 - 30 = 80
True
False
12. Sarah has 15 apples. She gives 7 apples to her friend. How many apples does Sarah have left?
13. A baker bakes 6 trays of cookies, with 5 cookies on each tray. How many cookies did the baker bake in all?
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