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
53 + 10 = ______
40 − 10 = ______
33 + 20 = ______
81 − 10 = ______
2 × 10 = ______
9 × 10 = ______
25 + 20 = ______
58 + 10 = ______
27 − 10 = ______
4 × 10 = ______
1 × 10 = ______
87 − 10 = ______
5 × 10 = ______
99 − 10 = ______
27 + 10 = ______
17 + 10 = ______
92 − 10 = ______
26 + 20 = ______
3 × 10 = ______
41 + 20 = ______
