Tiriaq is making ornaments. They need 7 beads and 6 ribbons to make one ornament.
Beads ←
Ribbons <
Complete the double number line to show the other values of beads and ribbons.
Choose 1 answer:
Beads ←1
0 7
14 21 28
＋→→
Ribbons ←
→
6
12
18 24
12
18
24
0 6
Beads个十十
Ribbons 个十
0
→
7 14 21 28