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
60 + 10 = ______
66 − 10 = ______
89 + 10 = ______
35 + 10 = ______
25 + 10 = ______
81 − 10 = ______
36 + 20 = ______
6 × 10 = ______
98 − 10 = ______
4 × 10 = ______
26 − 10 = ______
12 + 10 = ______
68 + 20 = ______
69 + 10 = ______
33 + 20 = ______
73 − 10 = ______
38 − 10 = ______
7 × 10 = ______
29 + 20 = ______
68 + 10 = ______
