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
5 × 10 = ______
19 + 10 = ______
57 − 10 = ______
28 − 10 = ______
83 + 10 = ______
68 + 10 = ______
77 + 10 = ______
80 − 10 = ______
80 + 20 = ______
71 + 20 = ______
2 × 10 = ______
51 − 10 = ______
58 + 10 = ______
37 + 10 = ______
1 × 10 = ______
69 + 20 = ______
7 × 10 = ______
54 + 20 = ______
39 − 10 = ______
26 + 10 = ______
