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
29 + 10 = ______
50 + 10 = ______
18 + 10 = ______
5 × 10 = ______
60 + 10 = ______
34 + 10 = ______
91 − 10 = ______
16 + 10 = ______
53 + 10 = ______
54 − 10 = ______
70 + 10 = ______
8 × 10 = ______
99 − 10 = ______
15 + 10 = ______
52 + 10 = ______
49 + 20 = ______
60 − 10 = ______
59 − 10 = ______
7 × 10 = ______
37 − 10 = ______
