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
5 × 10 = ______
87 + 10 = ______
86 − 10 = ______
41 + 20 = ______
16 + 10 = ______
40 + 10 = ______
86 + 20 = ______
31 − 10 = ______
69 − 10 = ______
72 + 10 = ______
12 + 10 = ______
3 × 10 = ______
95 − 10 = ______
88 − 10 = ______
1 × 10 = ______
46 + 10 = ______
4 × 10 = ______
2 × 10 = ______
32 + 20 = ______
69 + 10 = ______
