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 = ______
7 × 10 = ______
35 − 10 = ______
46 + 10 = ______
95 − 10 = ______
4 × 10 = ______
87 + 20 = ______
3 × 10 = ______
58 + 20 = ______
12 + 10 = ______
2 × 10 = ______
45 − 10 = ______
8 × 10 = ______
52 + 20 = ______
42 − 10 = ______
64 − 10 = ______
62 + 10 = ______
74 + 10 = ______
79 + 20 = ______
15 + 10 = ______
