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 = ______
51 − 10 = ______
41 + 10 = ______
4 × 10 = ______
56 + 20 = ______
57 − 10 = ______
83 + 10 = ______
60 − 10 = ______
53 + 10 = ______
43 + 10 = ______
7 × 10 = ______
1 × 10 = ______
74 + 10 = ______
44 − 10 = ______
6 × 10 = ______
56 − 10 = ______
63 − 10 = ______
79 + 10 = ______
75 + 10 = ______
5 × 10 = ______
