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
57 + 20 = ______
49 + 10 = ______
53 − 10 = ______
87 − 10 = ______
28 + 10 = ______
85 + 10 = ______
4 × 10 = ______
99 − 10 = ______
57 − 10 = ______
72 + 20 = ______
1 × 10 = ______
40 + 10 = ______
26 − 10 = ______
29 + 10 = ______
86 + 20 = ______
51 + 10 = ______
50 + 20 = ______
24 − 10 = ______
26 + 10 = ______
5 × 10 = ______
