By Definition...
This strategy involves multiplying by 2.
Doubling
1 10 100
8 80 800
Multiplying by 10
1 2 4 8 16
15 30 60 120 ?
240
A chicken dinner at a restaurant costs $14. If 4 people each order a chicken dinner, how much does that cost?
You must create a ratio table and use a viable strategy to earn points.
$56
This strategy involves "adding a 0" to each part of the ratio.
Multiplying by 10
1 2 4 8
5 10 15 20
Doubling
3 30 300
14 ? 1400
140
One table can fit 12 chairs at it. How many chairs fit at 11 tables?
You must create a ratio table and use a viable strategy to earn points.
132 chairs
This strategy involves putting two known ratios together to create a new, equivalent ratio.
Adding
1 5 6
12 60 72
Adding
1 2 20 22
11 22 220 ?
242
Santiago separated 72 stickers into 8 groups. If he keeps 2 of the groups for himself, how many stickers does he keep?
You must create a ratio table and use a viable strategy to earn points.
18 stickers (9 in each group)
This strategy involves splitting a known ratio into two equal groups.
Halving
1 10 9
15 150 135
Subtracting
8 4 2 1
6 3 1.5 ?
0.75
Bruno sells ice cream treats for $4 from his ice cream truck. If he sells 19 ice cream treats, how much money did he earn?
You must create a ratio table and use a viable strategy to earn points.
$76
This strategy involves removing a known ratio from another known ratio to create a new, equivalent ratio.
Subtracting
24 12 6 3
10 5 2.5 1.25
Halving
1 3 30 27
25 75 750 ?
675
Carroll sees an ad to buy 2 boxes of cereal for $5. How much would it cost to purchase 9 boxes of cereal?
You must create a ratio table and use a viable strategy to earn points.
$22.50