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
58 − 10 = ______
37 + 10 = ______
48 − 10 = ______
12 + 20 = ______
66 + 20 = ______
6 × 10 = ______
77 + 20 = ______
82 − 10 = ______
1 × 10 = ______
44 + 10 = ______
43 + 20 = ______
42 − 10 = ______
57 − 10 = ______
78 − 10 = ______
92 − 10 = ______
83 − 10 = ______
2 × 10 = ______
69 + 10 = ______
33 + 10 = ______
9 × 10 = ______
