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
19 + 10 = ______
78 − 10 = ______
72 + 10 = ______
51 − 10 = ______
72 + 20 = ______
52 + 10 = ______
16 + 10 = ______
76 + 20 = ______
70 + 10 = ______
21 + 10 = ______
94 − 10 = ______
61 − 10 = ______
1 × 10 = ______
2 × 10 = ______
83 − 10 = ______
25 − 10 = ______
62 − 10 = ______
75 − 10 = ______
4 × 10 = ______
53 + 20 = ______
