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
6 × 10 = ______
46 + 10 = ______
61 + 10 = ______
5 × 10 = ______
79 − 10 = ______
1 × 10 = ______
23 + 10 = ______
28 − 10 = ______
13 + 10 = ______
76 − 10 = ______
69 + 20 = ______
4 × 10 = ______
54 + 10 = ______
84 + 20 = ______
24 − 10 = ______
9 × 10 = ______
44 − 10 = ______
56 − 10 = ______
8 × 10 = ______
65 − 10 = ______
