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
26 − 10 = ______
5 × 10 = ______
32 − 10 = ______
40 + 20 = ______
8 × 10 = ______
81 − 10 = ______
30 + 20 = ______
70 + 20 = ______
46 + 10 = ______
1 × 10 = ______
37 + 20 = ______
24 + 10 = ______
85 + 20 = ______
79 + 20 = ______
86 + 10 = ______
60 − 10 = ______
63 + 10 = ______
35 + 10 = ______
3 × 10 = ______
71 − 10 = ______
