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
24 + 20 = ______
8 × 10 = ______
4 × 10 = ______
90 − 10 = ______
44 + 10 = ______
52 − 10 = ______
44 − 10 = ______
48 + 10 = ______
89 − 10 = ______
65 − 10 = ______
15 + 10 = ______
58 + 10 = ______
19 + 20 = ______
80 − 10 = ______
42 + 20 = ______
9 × 10 = ______
13 + 20 = ______
71 + 20 = ______
51 + 10 = ______
28 + 20 = ______
