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
34 − 10 = ______
62 − 10 = ______
42 + 20 = ______
3 × 10 = ______
7 × 10 = ______
18 + 10 = ______
97 − 10 = ______
73 − 10 = ______
43 − 10 = ______
65 + 10 = ______
65 + 20 = ______
36 − 10 = ______
1 × 10 = ______
8 × 10 = ______
37 + 10 = ______
94 − 10 = ______
64 + 20 = ______
6 × 10 = ______
32 + 10 = ______
41 + 10 = ______
