Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
89 + 20 = ______
53 − 10 = ______
70 + 10 = ______
8 × 10 = ______
3 × 10 = ______
83 + 20 = ______
2 × 10 = ______
77 + 20 = ______
85 − 10 = ______
34 − 10 = ______
59 + 10 = ______
1 × 10 = ______
4 × 10 = ______
15 + 20 = ______
77 + 10 = ______
18 + 10 = ______
84 + 10 = ______
39 + 10 = ______
9 × 10 = ______
54 − 10 = ______
