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
86 + 10 = ______
25 + 20 = ______
29 + 10 = ______
84 − 10 = ______
28 + 20 = ______
3 × 10 = ______
71 + 20 = ______
51 − 10 = ______
13 + 10 = ______
32 − 10 = ______
26 − 10 = ______
83 − 10 = ______
1 × 10 = ______
45 + 10 = ______
20 + 20 = ______
66 + 10 = ______
69 + 10 = ______
4 × 10 = ______
45 + 20 = ______
67 + 20 = ______
