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
50 − 10 = ______
95 − 10 = ______
31 + 20 = ______
40 − 10 = ______
49 + 20 = ______
61 + 10 = ______
63 + 10 = ______
93 − 10 = ______
8 × 10 = ______
7 × 10 = ______
45 − 10 = ______
5 × 10 = ______
87 + 20 = ______
1 × 10 = ______
9 × 10 = ______
56 + 20 = ______
23 − 10 = ______
6 × 10 = ______
72 − 10 = ______
53 + 20 = ______
