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
8 × 10 = ______
67 + 20 = ______
35 − 10 = ______
76 + 20 = ______
16 + 10 = ______
57 − 10 = ______
72 − 10 = ______
1 × 10 = ______
5 × 10 = ______
45 − 10 = ______
27 − 10 = ______
16 + 20 = ______
75 + 10 = ______
34 − 10 = ______
37 + 20 = ______
34 + 10 = ______
54 + 20 = ______
47 + 10 = ______
88 + 20 = ______
23 + 10 = ______
