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
41 + 10 = ______
4 × 10 = ______
28 + 10 = ______
86 − 10 = ______
12 + 20 = ______
2 × 10 = ______
27 + 10 = ______
49 − 10 = ______
61 + 10 = ______
41 − 10 = ______
1 × 10 = ______
5 × 10 = ______
31 − 10 = ______
95 − 10 = ______
60 + 10 = ______
83 − 10 = ______
67 + 10 = ______
39 + 10 = ______
6 × 10 = ______
55 − 10 = ______
