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
50 + 10 = ______
80 + 10 = ______
66 + 10 = ______
4 × 10 = ______
82 + 10 = ______
81 + 10 = ______
28 − 10 = ______
78 + 20 = ______
62 + 20 = ______
42 − 10 = ______
88 + 10 = ______
5 × 10 = ______
58 − 10 = ______
60 + 20 = ______
65 − 10 = ______
6 × 10 = ______
60 − 10 = ______
37 − 10 = ______
46 − 10 = ______
72 + 10 = ______
