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
56 − 10 = ______
28 − 10 = ______
5 × 10 = ______
6 × 10 = ______
88 + 20 = ______
53 − 10 = ______
38 + 10 = ______
44 − 10 = ______
83 + 10 = ______
74 + 10 = ______
9 × 10 = ______
60 − 10 = ______
58 + 10 = ______
62 + 20 = ______
8 × 10 = ______
59 − 10 = ______
70 + 20 = ______
80 + 20 = ______
24 − 10 = ______
71 + 20 = ______
