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
30 + 10 = ______
6 × 10 = ______
56 + 20 = ______
48 − 10 = ______
73 − 10 = ______
25 − 10 = ______
51 + 10 = ______
83 − 10 = ______
49 + 20 = ______
9 × 10 = ______
50 + 20 = ______
33 − 10 = ______
93 − 10 = ______
2 × 10 = ______
60 − 10 = ______
65 + 10 = ______
13 + 10 = ______
31 + 20 = ______
54 + 10 = ______
5 × 10 = ______
