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
72 + 10 = ______
35 − 10 = ______
5 × 10 = ______
1 × 10 = ______
38 − 10 = ______
17 + 20 = ______
49 + 20 = ______
74 + 10 = ______
46 − 10 = ______
9 × 10 = ______
17 + 10 = ______
31 − 10 = ______
77 + 20 = ______
40 − 10 = ______
7 × 10 = ______
4 × 10 = ______
79 + 10 = ______
27 + 10 = ______
41 − 10 = ______
70 + 10 = ______
