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
74 − 10 = ______
5 × 10 = ______
33 − 10 = ______
90 − 10 = ______
58 + 10 = ______
1 × 10 = ______
8 × 10 = ______
73 − 10 = ______
12 + 10 = ______
59 + 20 = ______
32 + 10 = ______
2 × 10 = ______
63 + 10 = ______
66 + 10 = ______
36 − 10 = ______
16 + 20 = ______
21 + 10 = ______
7 × 10 = ______
35 + 20 = ______
40 + 20 = ______
