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
67 + 20 = ______
41 + 20 = ______
85 + 20 = ______
43 + 20 = ______
57 − 10 = ______
5 × 10 = ______
48 + 20 = ______
4 × 10 = ______
56 + 20 = ______
9 × 10 = ______
25 − 10 = ______
83 + 20 = ______
76 + 20 = ______
58 + 10 = ______
76 − 10 = ______
53 − 10 = ______
78 − 10 = ______
14 + 20 = ______
48 + 10 = ______
53 + 10 = ______
