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
38 + 10 = ______
3 × 10 = ______
1 × 10 = ______
46 + 20 = ______
88 − 10 = ______
22 − 10 = ______
95 − 10 = ______
6 × 10 = ______
11 + 10 = ______
37 + 20 = ______
58 + 20 = ______
7 × 10 = ______
77 − 10 = ______
5 × 10 = ______
62 + 20 = ______
34 + 20 = ______
63 − 10 = ______
81 − 10 = ______
82 + 20 = ______
4 × 10 = ______
