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
15 + 20 = ______
9 × 10 = ______
25 − 10 = ______
86 + 20 = ______
25 + 20 = ______
84 + 20 = ______
69 + 20 = ______
74 − 10 = ______
4 × 10 = ______
78 + 10 = ______
67 + 20 = ______
7 × 10 = ______
83 + 20 = ______
29 + 20 = ______
76 + 20 = ______
34 + 20 = ______
79 + 20 = ______
14 + 10 = ______
26 + 10 = ______
80 + 10 = ______
