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 = ______
5 × 10 = ______
71 + 20 = ______
88 + 10 = ______
33 − 10 = ______
1 × 10 = ______
76 + 20 = ______
6 × 10 = ______
48 + 10 = ______
19 + 20 = ______
35 + 10 = ______
42 + 10 = ______
89 − 10 = ______
50 + 10 = ______
9 × 10 = ______
37 + 20 = ______
75 + 20 = ______
84 − 10 = ______
32 + 20 = ______
3 × 10 = ______
