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
59 + 10 = ______
32 − 10 = ______
9 × 10 = ______
81 − 10 = ______
2 × 10 = ______
23 + 10 = ______
80 + 10 = ______
46 + 10 = ______
4 × 10 = ______
96 − 10 = ______
74 − 10 = ______
28 + 20 = ______
7 × 10 = ______
65 − 10 = ______
57 + 20 = ______
43 + 10 = ______
67 + 10 = ______
56 − 10 = ______
5 × 10 = ______
27 + 20 = ______
