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
3 × 10 = ______
47 + 10 = ______
58 − 10 = ______
43 + 10 = ______
7 × 10 = ______
6 × 10 = ______
60 − 10 = ______
80 − 10 = ______
42 + 10 = ______
31 − 10 = ______
48 + 10 = ______
90 − 10 = ______
5 × 10 = ______
28 + 20 = ______
89 + 10 = ______
61 + 10 = ______
38 − 10 = ______
54 + 10 = ______
46 − 10 = ______
48 − 10 = ______
