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
58 + 20 = ______
6 × 10 = ______
22 + 10 = ______
84 − 10 = ______
97 − 10 = ______
5 × 10 = ______
1 × 10 = ______
62 + 20 = ______
31 + 10 = ______
7 × 10 = ______
9 × 10 = ______
36 − 10 = ______
28 − 10 = ______
41 − 10 = ______
17 + 10 = ______
43 + 10 = ______
33 + 10 = ______
25 + 10 = ______
64 − 10 = ______
39 + 10 = ______
