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
4 × 10 = ______
37 − 10 = ______
3 × 10 = ______
88 + 20 = ______
43 + 10 = ______
61 + 20 = ______
33 + 20 = ______
9 × 10 = ______
74 + 10 = ______
2 × 10 = ______
24 + 10 = ______
6 × 10 = ______
63 − 10 = ______
80 + 20 = ______
82 + 10 = ______
94 − 10 = ______
11 + 10 = ______
31 + 10 = ______
7 × 10 = ______
1 × 10 = ______
