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 = ______
43 − 10 = ______
85 − 10 = ______
76 − 10 = ______
46 + 10 = ______
30 + 20 = ______
9 × 10 = ______
41 + 10 = ______
77 + 10 = ______
84 + 20 = ______
36 − 10 = ______
71 − 10 = ______
76 + 10 = ______
39 + 10 = ______
62 − 10 = ______
1 × 10 = ______
64 + 20 = ______
67 − 10 = ______
13 + 10 = ______
86 + 10 = ______
