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
46 + 10 = ______
29 + 10 = ______
56 + 10 = ______
42 + 20 = ______
45 − 10 = ______
5 × 10 = ______
78 − 10 = ______
26 + 10 = ______
8 × 10 = ______
6 × 10 = ______
44 + 10 = ______
32 − 10 = ______
71 − 10 = ______
45 + 10 = ______
81 + 10 = ______
56 + 20 = ______
1 × 10 = ______
46 + 20 = ______
62 − 10 = ______
41 + 10 = ______
