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
64 + 10 = ______
7 × 10 = ______
75 + 20 = ______
37 + 10 = ______
48 + 10 = ______
65 + 20 = ______
92 − 10 = ______
45 + 20 = ______
3 × 10 = ______
6 × 10 = ______
87 + 10 = ______
38 + 10 = ______
8 × 10 = ______
2 × 10 = ______
21 − 10 = ______
78 + 10 = ______
40 + 10 = ______
57 + 10 = ______
83 − 10 = ______
82 − 10 = ______
