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
43 + 10 = ______
73 − 10 = ______
12 + 10 = ______
28 − 10 = ______
41 + 20 = ______
31 + 20 = ______
9 × 10 = ______
47 + 10 = ______
22 + 20 = ______
71 − 10 = ______
50 − 10 = ______
5 × 10 = ______
26 + 10 = ______
2 × 10 = ______
1 × 10 = ______
60 + 20 = ______
98 − 10 = ______
45 − 10 = ______
86 + 20 = ______
72 + 20 = ______
