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 − 10 = ______
28 + 20 = ______
71 + 20 = ______
1 × 10 = ______
22 + 10 = ______
50 − 10 = ______
20 + 10 = ______
48 + 10 = ______
86 + 20 = ______
3 × 10 = ______
4 × 10 = ______
24 + 20 = ______
72 + 20 = ______
62 + 20 = ______
65 − 10 = ______
6 × 10 = ______
40 − 10 = ______
62 + 10 = ______
73 − 10 = ______
26 + 10 = ______