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
74 − 10 = ______
9 × 10 = ______
1 × 10 = ______
46 − 10 = ______
8 × 10 = ______
33 − 10 = ______
62 + 10 = ______
51 − 10 = ______
37 + 20 = ______
67 + 20 = ______
78 − 10 = ______
3 × 10 = ______
86 + 10 = ______
32 − 10 = ______
53 − 10 = ______
54 + 10 = ______
89 − 10 = ______
64 + 10 = ______
67 + 10 = ______
63 − 10 = ______
