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
76 + 10 = ______
96 − 10 = ______
31 − 10 = ______
1 × 10 = ______
2 × 10 = ______
82 − 10 = ______
73 − 10 = ______
85 + 10 = ______
48 + 20 = ______
15 + 20 = ______
35 + 10 = ______
47 + 20 = ______
39 − 10 = ______
90 − 10 = ______
41 − 10 = ______
9 × 10 = ______
94 − 10 = ______
72 − 10 = ______
8 × 10 = ______
43 + 10 = ______
