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
44 + 10 = ______
13 + 20 = ______
88 + 10 = ______
82 − 10 = ______
8 × 10 = ______
42 − 10 = ______
51 − 10 = ______
24 + 20 = ______
17 + 20 = ______
70 + 20 = ______
1 × 10 = ______
6 × 10 = ______
42 + 10 = ______
74 + 20 = ______
77 − 10 = ______
31 + 10 = ______
9 × 10 = ______
2 × 10 = ______
75 + 20 = ______
68 + 10 = ______
