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
88 − 10 = ______
8 × 10 = ______
32 + 20 = ______
91 − 10 = ______
57 + 10 = ______
58 − 10 = ______
34 + 10 = ______
82 + 20 = ______
73 − 10 = ______
18 + 20 = ______
9 × 10 = ______
51 + 20 = ______
12 + 10 = ______
71 − 10 = ______
53 + 10 = ______
7 × 10 = ______
44 + 20 = ______
81 − 10 = ______
83 − 10 = ______
41 + 10 = ______
