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
62 − 10 = ______
49 + 20 = ______
79 + 20 = ______
96 − 10 = ______
71 + 10 = ______
73 + 20 = ______
48 − 10 = ______
15 + 20 = ______
94 − 10 = ______
47 − 10 = ______
41 − 10 = ______
68 + 10 = ______
1 × 10 = ______
60 + 10 = ______
63 + 10 = ______
80 + 10 = ______
16 + 10 = ______
45 − 10 = ______
50 + 20 = ______
82 + 10 = ______
