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
61 + 10 = ______
94 − 10 = ______
77 − 10 = ______
60 − 10 = ______
87 − 10 = ______
6 × 10 = ______
7 × 10 = ______
91 − 10 = ______
70 + 20 = ______
39 + 10 = ______
1 × 10 = ______
50 + 20 = ______
4 × 10 = ______
8 × 10 = ______
84 + 10 = ______
62 − 10 = ______
48 + 10 = ______
17 + 10 = ______
15 + 20 = ______
35 − 10 = ______
