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 = ______
58 + 20 = ______
13 + 10 = ______
5 × 10 = ______
72 + 20 = ______
85 − 10 = ______
53 + 10 = ______
60 + 20 = ______
66 − 10 = ______
36 + 10 = ______
19 + 10 = ______
32 − 10 = ______
77 − 10 = ______
19 + 20 = ______
36 − 10 = ______
25 + 10 = ______
62 − 10 = ______
51 + 10 = ______
28 + 10 = ______
94 − 10 = ______
