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
44 + 20 = ______
7 × 10 = ______
23 − 10 = ______
1 × 10 = ______
16 + 20 = ______
84 + 10 = ______
94 − 10 = ______
38 + 20 = ______
41 + 10 = ______
73 + 20 = ______
54 − 10 = ______
68 + 20 = ______
6 × 10 = ______
34 + 10 = ______
2 × 10 = ______
21 − 10 = ______
64 + 20 = ______
57 + 10 = ______
85 − 10 = ______
35 + 20 = ______
