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
6 × 10 = ______
82 + 10 = ______
9 × 10 = ______
77 − 10 = ______
75 + 10 = ______
44 − 10 = ______
80 − 10 = ______
49 + 20 = ______
69 + 10 = ______
16 + 10 = ______
13 + 20 = ______
95 − 10 = ______
1 × 10 = ______
80 + 10 = ______
3 × 10 = ______
86 − 10 = ______
5 × 10 = ______
44 + 10 = ______
37 + 10 = ______
51 + 10 = ______
