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
25 − 10 = ______
83 − 10 = ______
2 × 10 = ______
60 + 20 = ______
19 + 10 = ______
44 − 10 = ______
53 + 10 = ______
74 + 10 = ______
63 + 20 = ______
31 + 10 = ______
48 + 10 = ______
8 × 10 = ______
5 × 10 = ______
33 + 20 = ______
58 + 20 = ______
88 + 10 = ______
4 × 10 = ______
72 + 20 = ______
73 − 10 = ______
95 − 10 = ______
