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
3 × 10 = ______
16 + 10 = ______
6 × 10 = ______
48 + 10 = ______
87 + 20 = ______
94 − 10 = ______
31 − 10 = ______
82 + 10 = ______
4 × 10 = ______
70 − 10 = ______
27 − 10 = ______
76 + 10 = ______
79 + 10 = ______
59 + 20 = ______
42 + 10 = ______
83 − 10 = ______
20 + 10 = ______
57 − 10 = ______
99 − 10 = ______
78 + 10 = ______
