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
4 × 10 = ______
74 − 10 = ______
78 + 10 = ______
45 + 10 = ______
27 − 10 = ______
33 + 10 = ______
36 + 10 = ______
80 + 10 = ______
74 + 20 = ______
8 × 10 = ______
89 − 10 = ______
58 − 10 = ______
34 + 10 = ______
72 − 10 = ______
89 + 10 = ______
90 − 10 = ______
32 − 10 = ______
6 × 10 = ______
35 − 10 = ______
86 + 10 = ______
