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
21 − 10 = ______
15 + 10 = ______
54 + 20 = ______
4 × 10 = ______
73 + 20 = ______
23 − 10 = ______
41 − 10 = ______
5 × 10 = ______
58 + 20 = ______
66 − 10 = ______
55 + 20 = ______
84 + 20 = ______
7 × 10 = ______
72 − 10 = ______
69 + 10 = ______
51 + 10 = ______
26 − 10 = ______
61 + 20 = ______
40 + 10 = ______
28 + 10 = ______
