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
43 + 20 = ______
91 − 10 = ______
8 × 10 = ______
31 − 10 = ______
9 × 10 = ______
50 + 10 = ______
45 − 10 = ______
72 + 10 = ______
43 + 10 = ______
16 + 10 = ______
37 − 10 = ______
58 − 10 = ______
4 × 10 = ______
2 × 10 = ______
54 + 20 = ______
88 + 10 = ______
76 − 10 = ______
51 − 10 = ______
3 × 10 = ______
65 − 10 = ______
