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
56 + 20 = ______
49 + 20 = ______
23 + 20 = ______
28 + 10 = ______
76 + 10 = ______
3 × 10 = ______
8 × 10 = ______
9 × 10 = ______
70 − 10 = ______
33 − 10 = ______
7 × 10 = ______
54 + 20 = ______
39 + 20 = ______
48 + 10 = ______
80 + 10 = ______
59 − 10 = ______
73 + 10 = ______
67 − 10 = ______
54 + 10 = ______
69 − 10 = ______