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
26 + 20 = ______
4 × 10 = ______
61 + 10 = ______
33 + 20 = ______
76 + 10 = ______
99 − 10 = ______
36 − 10 = ______
9 × 10 = ______
72 − 10 = ______
7 × 10 = ______
73 + 20 = ______
52 − 10 = ______
71 + 10 = ______
68 + 10 = ______
90 − 10 = ______
56 + 10 = ______
6 × 10 = ______
1 × 10 = ______
40 − 10 = ______
49 + 10 = ______
