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
37 + 10 = ______
8 × 10 = ______
88 − 10 = ______
73 + 10 = ______
68 − 10 = ______
70 + 20 = ______
65 + 10 = ______
58 − 10 = ______
86 − 10 = ______
71 + 10 = ______
89 + 20 = ______
17 + 20 = ______
15 + 20 = ______
22 − 10 = ______
87 + 10 = ______
6 × 10 = ______
96 − 10 = ______
2 × 10 = ______
60 − 10 = ______
82 + 10 = ______
