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
7 × 10 = ______
64 − 10 = ______
3 × 10 = ______
84 + 10 = ______
22 + 10 = ______
53 − 10 = ______
60 − 10 = ______
83 − 10 = ______
19 + 20 = ______
4 × 10 = ______
28 + 10 = ______
48 − 10 = ______
63 + 10 = ______
84 + 20 = ______
54 + 20 = ______
68 + 10 = ______
62 − 10 = ______
9 × 10 = ______
21 − 10 = ______
56 − 10 = ______
