Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
22 + 10 = ______
6 × 10 = ______
20 + 20 = ______
21 + 20 = ______
43 − 10 = ______
57 + 20 = ______
62 + 20 = ______
78 + 20 = ______
84 − 10 = ______
56 + 10 = ______
8 × 10 = ______
92 − 10 = ______
4 × 10 = ______
89 − 10 = ______
40 − 10 = ______
62 − 10 = ______
54 + 10 = ______
75 − 10 = ______
60 + 10 = ______
33 + 10 = ______
