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
23 + 10 = ______
71 − 10 = ______
67 + 10 = ______
1 × 10 = ______
33 + 10 = ______
8 × 10 = ______
9 × 10 = ______
65 − 10 = ______
2 × 10 = ______
51 + 10 = ______
89 − 10 = ______
4 × 10 = ______
60 + 10 = ______
78 − 10 = ______
67 + 20 = ______
51 − 10 = ______
60 − 10 = ______
86 + 10 = ______
80 − 10 = ______
56 − 10 = ______
