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
63 + 20 = ______
1 × 10 = ______
83 − 10 = ______
41 − 10 = ______
55 − 10 = ______
29 − 10 = ______
33 − 10 = ______
3 × 10 = ______
26 + 10 = ______
92 − 10 = ______
39 + 20 = ______
8 × 10 = ______
38 − 10 = ______
94 − 10 = ______
73 + 10 = ______
9 × 10 = ______
59 + 20 = ______
51 + 20 = ______
44 + 20 = ______
80 + 20 = ______
