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
46 + 10 = ______
9 × 10 = ______
59 − 10 = ______
3 × 10 = ______
76 + 10 = ______
44 − 10 = ______
74 + 10 = ______
6 × 10 = ______
7 × 10 = ______
89 − 10 = ______
25 + 10 = ______
69 + 20 = ______
25 + 20 = ______
52 + 10 = ______
85 + 10 = ______
66 + 10 = ______
85 + 20 = ______
32 − 10 = ______
8 × 10 = ______
75 + 20 = ______
