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
52 + 10 = ______
6 × 10 = ______
82 + 10 = ______
35 + 20 = ______
72 + 10 = ______
47 − 10 = ______
69 + 20 = ______
87 + 20 = ______
52 + 20 = ______
80 + 20 = ______
99 − 10 = ______
4 × 10 = ______
77 − 10 = ______
7 × 10 = ______
11 + 10 = ______
48 + 20 = ______
2 × 10 = ______
45 − 10 = ______
24 + 10 = ______
65 − 10 = ______
