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 = ______
7 × 10 = ______
75 + 10 = ______
80 + 20 = ______
86 + 20 = ______
89 − 10 = ______
96 − 10 = ______
2 × 10 = ______
9 × 10 = ______
59 + 10 = ______
66 − 10 = ______
3 × 10 = ______
25 + 20 = ______
78 + 10 = ______
83 + 20 = ______
60 + 10 = ______
11 + 20 = ______
5 × 10 = ______
8 × 10 = ______
35 − 10 = ______
