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
3 × 10 = ______
73 − 10 = ______
45 − 10 = ______
71 − 10 = ______
5 × 10 = ______
25 + 20 = ______
1 × 10 = ______
15 + 10 = ______
6 × 10 = ______
61 − 10 = ______
22 + 10 = ______
24 + 10 = ______
43 + 20 = ______
57 − 10 = ______
29 + 10 = ______
94 − 10 = ______
47 + 20 = ______
58 − 10 = ______
65 + 10 = ______
56 − 10 = ______
