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
6 × 10 = ______
84 + 20 = ______
5 × 10 = ______
3 × 10 = ______
27 − 10 = ______
88 + 10 = ______
45 + 10 = ______
16 + 20 = ______
74 + 10 = ______
56 + 20 = ______
65 + 10 = ______
55 + 10 = ______
96 − 10 = ______
85 + 20 = ______
50 − 10 = ______
77 − 10 = ______
7 × 10 = ______
53 + 20 = ______
28 − 10 = ______
19 + 10 = ______
