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
86 + 10 = ______
6 × 10 = ______
77 − 10 = ______
36 + 10 = ______
83 + 10 = ______
66 − 10 = ______
38 − 10 = ______
33 − 10 = ______
71 + 10 = ______
83 − 10 = ______
38 + 20 = ______
40 − 10 = ______
5 × 10 = ______
89 + 20 = ______
4 × 10 = ______
52 + 20 = ______
14 + 10 = ______
55 + 20 = ______
56 + 10 = ______
30 + 20 = ______
