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
84 − 10 = ______
22 + 10 = ______
22 − 10 = ______
78 + 10 = ______
88 + 10 = ______
43 + 20 = ______
17 + 20 = ______
5 × 10 = ______
28 + 10 = ______
85 − 10 = ______
85 + 20 = ______
35 + 10 = ______
82 − 10 = ______
3 × 10 = ______
83 − 10 = ______
32 + 10 = ______
61 + 20 = ______
17 + 10 = ______
62 − 10 = ______
6 × 10 = ______
