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
1 × 10 = ______
62 + 10 = ______
30 − 10 = ______
34 + 20 = ______
50 + 10 = ______
2 × 10 = ______
7 × 10 = ______
75 − 10 = ______
16 + 10 = ______
82 − 10 = ______
6 × 10 = ______
4 × 10 = ______
36 + 10 = ______
9 × 10 = ______
19 + 10 = ______
36 − 10 = ______
64 + 20 = ______
21 + 20 = ______
86 + 10 = ______
48 + 20 = ______
