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
56 − 10 = ______
19 + 20 = ______
4 × 10 = ______
83 + 20 = ______
63 + 20 = ______
83 + 10 = ______
8 × 10 = ______
35 − 10 = ______
70 − 10 = ______
37 + 10 = ______
24 + 20 = ______
28 − 10 = ______
7 × 10 = ______
34 + 20 = ______
47 − 10 = ______
96 − 10 = ______
21 + 10 = ______
43 + 10 = ______
66 + 10 = ______
5 × 10 = ______
