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
12 + 10 = ______
54 + 20 = ______
7 × 10 = ______
38 − 10 = ______
62 + 20 = ______
6 × 10 = ______
50 + 20 = ______
13 + 20 = ______
26 + 10 = ______
60 − 10 = ______
73 + 10 = ______
25 + 10 = ______
66 + 20 = ______
62 − 10 = ______
98 − 10 = ______
2 × 10 = ______
9 × 10 = ______
45 + 10 = ______
22 + 10 = ______
72 − 10 = ______
