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
61 + 10 = ______
7 × 10 = ______
38 + 20 = ______
85 + 10 = ______
23 + 10 = ______
80 − 10 = ______
2 × 10 = ______
42 − 10 = ______
38 + 10 = ______
46 + 10 = ______
1 × 10 = ______
57 + 20 = ______
80 + 20 = ______
9 × 10 = ______
26 + 20 = ______
86 − 10 = ______
70 − 10 = ______
22 + 20 = ______
73 + 10 = ______
27 + 10 = ______
