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
90 − 10 = ______
36 + 20 = ______
69 − 10 = ______
38 + 20 = ______
25 − 10 = ______
61 − 10 = ______
34 − 10 = ______
8 × 10 = ______
95 − 10 = ______
44 + 20 = ______
74 + 20 = ______
54 − 10 = ______
48 + 20 = ______
86 + 20 = ______
45 − 10 = ______
7 × 10 = ______
86 + 10 = ______
59 + 20 = ______
30 − 10 = ______
14 + 10 = ______
