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
54 + 10 = ______
19 + 20 = ______
76 + 20 = ______
79 − 10 = ______
50 + 20 = ______
43 + 20 = ______
71 − 10 = ______
78 − 10 = ______
6 × 10 = ______
62 + 10 = ______
36 + 20 = ______
52 + 10 = ______
1 × 10 = ______
15 + 20 = ______
3 × 10 = ______
2 × 10 = ______
92 − 10 = ______
50 − 10 = ______
4 × 10 = ______
7 × 10 = ______
