algebra
 : Bear Mixes

Approach: Station
Resources: 20 yellow bears, 20 blue bears.

Questions / instructions:
Write the number of blue bears and yellow bears in the boxes.
The first one has been done for you.

  % responses
y4
y8

 

Blue
Yellow
  
 
 
1. There are 4 bears altogether. 2 are yellow. How many are blue?
2
2
  

2. There are 10 bears altogether. 6 are yellow. How many are blue?

 
6
4
79
95

3. There are 10 bears altogether. There are 2 more blue bears than yellow bears.
    How many of each colour are there?

 
 
6
4
38
36
65
65

4. There are 12 bears altogether. There are twice as many yellow as blue bears.
    How many of each colour are there?

 
 
4
8
26
27
60
60
5. There are 3 blue bears. For each blue bear there are 3 yellow bears.
    How many yellow bears are there?
3
 
9
31
78
6. There are 15 yellow bears. For each blue bear there are 3 yellow bears.
    How many blue bears are there?
 
15
5
28
69
7. There are 16 bears altogether. For each blue bear there are 3 yellow bears.
    How many of each colour are there?
 
 
4
12
22
20
63
60
8. A quarter of the bears are blue. There are 3 blue bears.
    How many yellow bears are there?
3
 
9
14
42
9. A quarter of the bears are blue. There are 12 yellow bears.
    How many blue bears are there?
 
12
4
13
34
10.There are 20 bears altogether. A quarter of the bears are blue.
     How many of each colour are there?
 
  
5
15
27
25
71
68
11.There are 15 bears altogether. 20% are blue.
     How many of each colour are there?
 
 
3
12
 
33
32
Commentary:
Year 8 students struggled with three of the four items involving fractions and percentages. Year 4 students succeeded well with only one item, which involved a simple subtraction.

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