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
74 + 10 = ______
3 × 10 = ______
71 + 20 = ______
63 − 10 = ______
86 + 10 = ______
43 − 10 = ______
66 + 10 = ______
73 + 10 = ______
51 − 10 = ______
56 + 10 = ______
64 + 10 = ______
26 + 10 = ______
69 + 20 = ______
57 + 10 = ______
99 − 10 = ______
19 + 10 = ______
33 + 20 = ______
76 − 10 = ______
60 + 10 = ______
29 + 20 = ______
