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
5 × 10 = ______
26 − 10 = ______
85 + 10 = ______
50 + 20 = ______
33 − 10 = ______
51 + 10 = ______
76 − 10 = ______
95 − 10 = ______
6 × 10 = ______
73 − 10 = ______
25 + 10 = ______
49 + 10 = ______
21 + 20 = ______
81 − 10 = ______
47 − 10 = ______
72 + 10 = ______
2 × 10 = ______
7 × 10 = ______
37 + 10 = ______
47 + 20 = ______
