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 = ______
35 + 10 = ______
64 − 10 = ______
74 + 10 = ______
52 + 10 = ______
8 × 10 = ______
61 − 10 = ______
6 × 10 = ______
31 + 10 = ______
73 + 20 = ______
68 − 10 = ______
69 − 10 = ______
13 + 10 = ______
77 + 10 = ______
82 + 10 = ______
73 − 10 = ______
64 + 10 = ______
66 − 10 = ______
88 + 20 = ______
72 + 10 = ______
