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
83 − 10 = ______
56 + 20 = ______
58 − 10 = ______
33 + 20 = ______
88 + 10 = ______
56 − 10 = ______
9 × 10 = ______
70 − 10 = ______
27 + 10 = ______
55 − 10 = ______
41 − 10 = ______
62 + 20 = ______
74 − 10 = ______
8 × 10 = ______
42 + 10 = ______
32 + 10 = ______
78 + 20 = ______
18 + 20 = ______
7 × 10 = ______
31 + 20 = ______
