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
32 − 10 = ______
43 + 10 = ______
6 × 10 = ______
31 + 20 = ______
87 + 10 = ______
42 + 20 = ______
8 × 10 = ______
47 + 10 = ______
34 + 20 = ______
84 + 10 = ______
50 + 10 = ______
61 − 10 = ______
84 − 10 = ______
53 − 10 = ______
73 − 10 = ______
2 × 10 = ______
56 − 10 = ______
86 + 20 = ______
88 + 10 = ______
51 + 20 = ______
