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
50 + 10 = ______
36 − 10 = ______
73 + 20 = ______
46 + 20 = ______
43 + 20 = ______
51 − 10 = ______
21 + 20 = ______
74 + 10 = ______
32 + 10 = ______
34 + 20 = ______
84 + 10 = ______
58 − 10 = ______
5 × 10 = ______
4 × 10 = ______
62 − 10 = ______
87 − 10 = ______
6 × 10 = ______
2 × 10 = ______
8 × 10 = ______
75 − 10 = ______
