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
1 × 10 = ______
63 − 10 = ______
2 × 10 = ______
5 × 10 = ______
25 + 20 = ______
90 − 10 = ______
78 + 20 = ______
29 + 10 = ______
42 + 20 = ______
40 + 20 = ______
79 + 20 = ______
36 − 10 = ______
33 + 20 = ______
93 − 10 = ______
31 − 10 = ______
11 + 20 = ______
59 + 10 = ______
55 + 10 = ______
28 − 10 = ______
76 − 10 = ______
