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
2 × 10 = ______
45 + 10 = ______
6 × 10 = ______
56 + 10 = ______
97 − 10 = ______
18 + 20 = ______
17 + 20 = ______
51 + 20 = ______
49 − 10 = ______
74 − 10 = ______
83 + 10 = ______
9 × 10 = ______
82 + 10 = ______
3 × 10 = ______
15 + 10 = ______
92 − 10 = ______
62 − 10 = ______
94 − 10 = ______
87 + 10 = ______
64 + 10 = ______
