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
58 + 20 = ______
32 − 10 = ______
78 + 10 = ______
66 + 20 = ______
74 + 20 = ______
3 × 10 = ______
90 − 10 = ______
68 − 10 = ______
57 − 10 = ______
87 + 10 = ______
64 − 10 = ______
16 + 20 = ______
36 + 10 = ______
13 + 10 = ______
9 × 10 = ______
76 − 10 = ______
45 − 10 = ______
1 × 10 = ______
84 + 10 = ______
20 + 10 = ______
