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
49 − 10 = ______
55 + 20 = ______
23 − 10 = ______
7 × 10 = ______
1 × 10 = ______
39 + 20 = ______
65 + 20 = ______
59 + 10 = ______
71 + 10 = ______
51 + 20 = ______
42 + 20 = ______
66 + 10 = ______
54 − 10 = ______
84 − 10 = ______
63 − 10 = ______
3 × 10 = ______
26 − 10 = ______
95 − 10 = ______
51 + 10 = ______
13 + 20 = ______
