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 = ______
80 − 10 = ______
38 + 10 = ______
4 × 10 = ______
17 + 20 = ______
48 + 20 = ______
25 + 10 = ______
89 − 10 = ______
32 + 10 = ______
56 + 10 = ______
51 − 10 = ______
87 − 10 = ______
16 + 20 = ______
3 × 10 = ______
31 − 10 = ______
30 + 20 = ______
72 − 10 = ______
80 + 20 = ______
9 × 10 = ______
64 + 10 = ______
