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
78 + 10 = ______
51 − 10 = ______
34 − 10 = ______
26 − 10 = ______
74 + 10 = ______
15 + 20 = ______
8 × 10 = ______
9 × 10 = ______
61 + 20 = ______
52 + 10 = ______
29 − 10 = ______
50 + 20 = ______
4 × 10 = ______
27 − 10 = ______
83 − 10 = ______
14 + 10 = ______
1 × 10 = ______
44 + 20 = ______
44 − 10 = ______
92 − 10 = ______
