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
14 + 20 = ______
82 − 10 = ______
56 − 10 = ______
22 + 10 = ______
47 + 20 = ______
49 + 20 = ______
44 + 10 = ______
71 − 10 = ______
80 − 10 = ______
5 × 10 = ______
37 − 10 = ______
57 + 20 = ______
6 × 10 = ______
9 × 10 = ______
86 + 20 = ______
53 − 10 = ______
48 − 10 = ______
23 + 20 = ______
3 × 10 = ______
20 + 10 = ______
