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 = ______
14 + 20 = ______
50 − 10 = ______
8 × 10 = ______
67 + 10 = ______
69 − 10 = ______
25 − 10 = ______
72 − 10 = ______
22 + 20 = ______
34 + 10 = ______
79 + 10 = ______
47 + 10 = ______
54 + 10 = ______
83 + 10 = ______
2 × 10 = ______
51 − 10 = ______
95 − 10 = ______
75 − 10 = ______
89 − 10 = ______
35 + 20 = ______
