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 = ______
86 − 10 = ______
98 − 10 = ______
26 − 10 = ______
73 + 10 = ______
87 + 20 = ______
6 × 10 = ______
70 + 10 = ______
85 + 20 = ______
8 × 10 = ______
27 + 10 = ______
60 + 10 = ______
25 + 10 = ______
38 + 20 = ______
76 + 20 = ______
68 + 20 = ______
3 × 10 = ______
4 × 10 = ______
9 × 10 = ______
56 + 20 = ______
