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
13 + 10 = ______
35 + 10 = ______
4 × 10 = ______
66 + 10 = ______
2 × 10 = ______
6 × 10 = ______
45 + 20 = ______
45 + 10 = ______
86 − 10 = ______
30 + 10 = ______
98 − 10 = ______
23 − 10 = ______
42 + 10 = ______
56 + 20 = ______
60 + 10 = ______
34 + 10 = ______
28 + 20 = ______
46 + 10 = ______
76 − 10 = ______
8 × 10 = ______
