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
42 + 10 = ______
74 + 10 = ______
40 + 20 = ______
90 − 10 = ______
26 + 10 = ______
5 × 10 = ______
42 + 20 = ______
66 − 10 = ______
28 − 10 = ______
39 − 10 = ______
69 + 10 = ______
9 × 10 = ______
8 × 10 = ______
51 − 10 = ______
23 − 10 = ______
4 × 10 = ______
34 − 10 = ______
37 + 10 = ______
87 + 10 = ______
30 − 10 = ______
