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 = ______
69 + 20 = ______
28 + 10 = ______
99 − 10 = ______
83 + 20 = ______
75 + 10 = ______
6 × 10 = ______
88 − 10 = ______
90 − 10 = ______
7 × 10 = ______
30 − 10 = ______
25 + 20 = ______
45 + 10 = ______
29 + 10 = ______
42 + 10 = ______
76 + 10 = ______
4 × 10 = ______
57 + 10 = ______
16 + 10 = ______
65 − 10 = ______
