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
30 − 10 = ______
49 − 10 = ______
62 + 20 = ______
45 + 10 = ______
36 − 10 = ______
1 × 10 = ______
48 + 20 = ______
4 × 10 = ______
76 − 10 = ______
63 + 10 = ______
68 + 10 = ______
23 + 20 = ______
69 + 10 = ______
74 + 20 = ______
70 + 20 = ______
54 + 10 = ______
87 − 10 = ______
5 × 10 = ______
79 − 10 = ______
81 + 10 = ______
