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
2 × 10 = ______
9 × 10 = ______
6 × 10 = ______
72 + 20 = ______
29 − 10 = ______
34 − 10 = ______
37 − 10 = ______
76 + 10 = ______
26 − 10 = ______
1 × 10 = ______
26 + 10 = ______
79 + 20 = ______
23 + 20 = ______
5 × 10 = ______
3 × 10 = ______
89 − 10 = ______
8 × 10 = ______
30 + 20 = ______
95 − 10 = ______
94 − 10 = ______
