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
1 × 10 = ______
93 − 10 = ______
6 × 10 = ______
88 + 10 = ______
69 + 10 = ______
82 − 10 = ______
85 + 10 = ______
33 + 20 = ______
45 + 10 = ______
51 + 20 = ______
52 + 10 = ______
69 + 20 = ______
48 − 10 = ______
95 − 10 = ______
83 − 10 = ______
82 + 10 = ______
8 × 10 = ______
61 + 10 = ______
51 + 10 = ______
85 − 10 = ______
