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
65 − 10 = ______
64 + 20 = ______
32 − 10 = ______
7 × 10 = ______
84 + 10 = ______
31 − 10 = ______
3 × 10 = ______
76 + 10 = ______
55 − 10 = ______
80 + 10 = ______
29 − 10 = ______
5 × 10 = ______
81 + 20 = ______
59 + 10 = ______
46 − 10 = ______
6 × 10 = ______
37 + 20 = ______
57 + 20 = ______
4 × 10 = ______
1 × 10 = ______
