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
8 × 10 = ______
38 − 10 = ______
35 + 10 = ______
29 − 10 = ______
4 × 10 = ______
51 + 10 = ______
93 − 10 = ______
87 − 10 = ______
62 + 10 = ______
1 × 10 = ______
71 − 10 = ______
38 + 20 = ______
21 − 10 = ______
25 − 10 = ______
30 + 10 = ______
80 + 10 = ______
81 − 10 = ______
89 + 20 = ______
61 + 10 = ______
7 × 10 = ______
