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 = ______
20 + 20 = ______
36 + 10 = ______
1 × 10 = ______
65 + 10 = ______
53 + 10 = ______
26 − 10 = ______
64 − 10 = ______
67 + 10 = ______
29 + 20 = ______
58 + 10 = ______
3 × 10 = ______
57 − 10 = ______
37 + 10 = ______
5 × 10 = ______
98 − 10 = ______
4 × 10 = ______
29 − 10 = ______
32 − 10 = ______
52 − 10 = ______
