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
93 − 10 = ______
8 × 10 = ______
18 + 20 = ______
97 − 10 = ______
4 × 10 = ______
5 × 10 = ______
1 × 10 = ______
35 + 20 = ______
18 + 10 = ______
7 × 10 = ______
74 + 10 = ______
50 + 10 = ______
65 + 20 = ______
56 − 10 = ______
49 − 10 = ______
44 + 10 = ______
27 + 20 = ______
54 + 10 = ______
61 + 10 = ______
82 − 10 = ______
