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
66 − 10 = ______
41 − 10 = ______
9 × 10 = ______
36 − 10 = ______
48 − 10 = ______
98 − 10 = ______
12 + 20 = ______
46 − 10 = ______
8 × 10 = ______
73 + 10 = ______
47 − 10 = ______
4 × 10 = ______
15 + 10 = ______
45 + 20 = ______
3 × 10 = ______
28 + 20 = ______
26 + 10 = ______
45 + 10 = ______
17 + 20 = ______
28 + 10 = ______
