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
86 + 10 = ______
7 × 10 = ______
28 − 10 = ______
81 + 10 = ______
84 + 10 = ______
54 − 10 = ______
2 × 10 = ______
43 − 10 = ______
32 + 20 = ______
32 − 10 = ______
89 + 10 = ______
46 + 20 = ______
74 − 10 = ______
34 + 10 = ______
93 − 10 = ______
73 − 10 = ______
19 + 20 = ______
57 + 10 = ______
73 + 10 = ______
47 + 10 = ______
