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
4 × 10 = ______
39 + 20 = ______
40 − 10 = ______
3 × 10 = ______
38 − 10 = ______
7 × 10 = ______
5 × 10 = ______
59 + 20 = ______
6 × 10 = ______
50 + 10 = ______
89 − 10 = ______
16 + 20 = ______
9 × 10 = ______
34 + 20 = ______
85 − 10 = ______
28 − 10 = ______
32 − 10 = ______
80 − 10 = ______
83 − 10 = ______
27 − 10 = ______
