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 = ______
8 × 10 = ______
16 + 20 = ______
6 × 10 = ______
95 − 10 = ______
31 + 20 = ______
62 − 10 = ______
76 + 20 = ______
47 + 20 = ______
28 + 10 = ______
97 − 10 = ______
22 − 10 = ______
43 + 10 = ______
21 − 10 = ______
71 + 10 = ______
74 + 10 = ______
2 × 10 = ______
96 − 10 = ______
1 × 10 = ______
79 + 10 = ______
