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
77 − 10 = ______
15 + 20 = ______
8 × 10 = ______
7 × 10 = ______
47 + 20 = ______
96 − 10 = ______
37 + 20 = ______
1 × 10 = ______
2 × 10 = ______
39 − 10 = ______
18 + 10 = ______
28 + 20 = ______
26 − 10 = ______
12 + 20 = ______
69 − 10 = ______
76 − 10 = ______
15 + 10 = ______
30 + 20 = ______
33 + 10 = ______
50 + 20 = ______
