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 = ______
65 + 10 = ______
5 × 10 = ______
60 − 10 = ______
77 − 10 = ______
59 + 20 = ______
81 − 10 = ______
48 − 10 = ______
76 − 10 = ______
71 − 10 = ______
7 × 10 = ______
25 + 10 = ______
1 × 10 = ______
56 + 10 = ______
48 + 10 = ______
55 + 10 = ______
77 + 10 = ______
9 × 10 = ______
38 + 20 = ______
30 − 10 = ______
