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
29 − 10 = ______
2 × 10 = ______
60 − 10 = ______
62 − 10 = ______
46 + 20 = ______
63 + 10 = ______
16 + 10 = ______
86 − 10 = ______
11 + 10 = ______
28 − 10 = ______
8 × 10 = ______
86 + 20 = ______
56 − 10 = ______
4 × 10 = ______
46 − 10 = ______
1 × 10 = ______
80 + 20 = ______
76 − 10 = ______
39 + 10 = ______
69 + 10 = ______
