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
2 × 10 = ______
3 × 10 = ______
74 + 10 = ______
61 − 10 = ______
28 + 20 = ______
9 × 10 = ______
63 + 20 = ______
78 − 10 = ______
35 − 10 = ______
22 − 10 = ______
11 + 20 = ______
1 × 10 = ______
49 + 10 = ______
59 + 20 = ______
73 + 10 = ______
40 + 20 = ______
52 − 10 = ______
20 + 20 = ______
67 − 10 = ______
29 + 20 = ______
