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
3 × 10 = ______
53 − 10 = ______
36 + 10 = ______
78 − 10 = ______
12 + 10 = ______
47 − 10 = ______
5 × 10 = ______
53 + 20 = ______
1 × 10 = ______
65 + 10 = ______
71 − 10 = ______
61 + 20 = ______
51 + 10 = ______
78 + 10 = ______
7 × 10 = ______
63 + 20 = ______
24 − 10 = ______
56 + 20 = ______
73 − 10 = ______
46 − 10 = ______
