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
54 + 10 = ______
62 − 10 = ______
6 × 10 = ______
78 + 20 = ______
7 × 10 = ______
76 + 20 = ______
8 × 10 = ______
46 + 20 = ______
29 + 10 = ______
5 × 10 = ______
4 × 10 = ______
13 + 20 = ______
52 + 20 = ______
36 − 10 = ______
9 × 10 = ______
67 − 10 = ______
57 + 10 = ______
73 + 10 = ______
51 − 10 = ______
32 + 20 = ______
