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
6 × 10 = ______
69 + 20 = ______
50 − 10 = ______
93 − 10 = ______
68 − 10 = ______
33 + 20 = ______
56 − 10 = ______
29 + 20 = ______
71 + 10 = ______
24 + 20 = ______
16 + 10 = ______
47 − 10 = ______
21 + 10 = ______
13 + 20 = ______
9 × 10 = ______
27 − 10 = ______
23 + 10 = ______
42 − 10 = ______
47 + 10 = ______
44 + 10 = ______
