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
53 − 10 = ______
2 × 10 = ______
74 − 10 = ______
59 + 20 = ______
1 × 10 = ______
62 + 20 = ______
8 × 10 = ______
70 − 10 = ______
3 × 10 = ______
20 + 20 = ______
40 + 10 = ______
56 + 20 = ______
87 + 10 = ______
48 − 10 = ______
80 + 10 = ______
85 + 10 = ______
64 + 20 = ______
4 × 10 = ______
32 + 10 = ______
44 − 10 = ______
