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
7 × 10 = ______
23 + 20 = ______
96 − 10 = ______
14 + 20 = ______
83 + 10 = ______
82 + 20 = ______
53 + 20 = ______
6 × 10 = ______
1 × 10 = ______
9 × 10 = ______
80 − 10 = ______
77 + 10 = ______
35 + 20 = ______
60 − 10 = ______
38 + 10 = ______
40 + 10 = ______
45 − 10 = ______
39 − 10 = ______
86 − 10 = ______
84 − 10 = ______
