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
24 − 10 = ______
72 + 10 = ______
43 − 10 = ______
69 − 10 = ______
37 + 20 = ______
18 + 20 = ______
35 − 10 = ______
6 × 10 = ______
65 + 20 = ______
66 + 20 = ______
3 × 10 = ______
1 × 10 = ______
86 − 10 = ______
37 − 10 = ______
27 − 10 = ______
46 + 10 = ______
46 + 20 = ______
32 − 10 = ______
16 + 20 = ______
5 × 10 = ______
