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
24 − 10 = ______
80 − 10 = ______
9 × 10 = ______
56 + 10 = ______
63 − 10 = ______
7 × 10 = ______
4 × 10 = ______
27 − 10 = ______
53 + 10 = ______
34 − 10 = ______
35 − 10 = ______
44 + 10 = ______
74 + 10 = ______
97 − 10 = ______
31 − 10 = ______
99 − 10 = ______
44 + 20 = ______
86 + 20 = ______
8 × 10 = ______
88 + 10 = ______
