Which Ratio Doesn’t Belong
Ratios: 2:3, 4:6, 3:5, 6:9
3:5
4 apples to 2 oranges
4 to 2, 4:2, or 4/2
Salsa table: 4, 8, 12, 16 jars → 32, 64, 96, ___ ounces
128 ounces
Hamburger: 2 lb = $7, 3 lb = $10.50 → 4 lb = ?
$14.00 (yes, $3.50 per lb)
5 pencils = $2.50. Cost per pencil?
$0.50 per pencil
: Ratios: 5:10, 10:20, 7:14, 15:25
15:25
5 dogs to 10 cats
5 to 10, 5:10, or 5/10
4, 8, 12, 16 jars → 32, 64, 96, ___ ounces
Pattern in the rows of salsa table?
Jars × 8 = ounces
Tickets: 6 = $34.50, 8 = $44, 10 = $52.50. Constant rate?
Yes, $5.50 per ticket
A car travels 180 miles in 3 hours. Rate?
60 mph
Ratios: 8:12, 4:6, 6:8, 12:18
6:8
3 red marbles and 9 blue marbles
3 to 9, 3:9, or 3/9
Pattern in the columns of salsa table?
+4 jars adds +32 ounces
Dogs: 6 = $112.50, 8 = $150, 11 = $206.25. Constant rate?
Yes, $18.75 per dog
A recipe uses 4 cups flour for 6 cookies. Flour per cookie?
2/3 cup per cookie