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 = ______
51 − 10 = ______
34 + 10 = ______
33 − 10 = ______
67 + 20 = ______
3 × 10 = ______
50 + 20 = ______
45 − 10 = ______
12 + 20 = ______
27 − 10 = ______
83 + 10 = ______
4 × 10 = ______
32 + 10 = ______
60 + 20 = ______
46 + 20 = ______
67 + 10 = ______
30 + 20 = ______
33 + 20 = ______
71 − 10 = ______
5 × 10 = ______
