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
4 × 10 = ______
28 − 10 = ______
24 + 10 = ______
69 + 20 = ______
74 + 20 = ______
14 + 10 = ______
1 × 10 = ______
51 + 20 = ______
53 + 20 = ______
20 + 20 = ______
56 + 10 = ______
46 + 10 = ______
87 + 10 = ______
40 + 10 = ______
88 − 10 = ______
35 + 10 = ______
68 − 10 = ______
61 − 10 = ______
58 + 10 = ______
44 + 20 = ______
