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
54 + 10 = ______
50 − 10 = ______
48 + 20 = ______
8 × 10 = ______
69 + 10 = ______
44 + 20 = ______
37 + 20 = ______
3 × 10 = ______
4 × 10 = ______
65 + 20 = ______
83 + 10 = ______
23 − 10 = ______
5 × 10 = ______
34 − 10 = ______
24 + 10 = ______
2 × 10 = ______
9 × 10 = ______
50 + 10 = ______
63 − 10 = ______
76 + 20 = ______
