number
 : Working With 1,3,4,18
Approach: Station
Resources: 4 yellow number cards containing the numbers 1,3,4,18;
                      3 each of cards containing symbols +,-.

Questions / instructions:
You have 6 minutes to do this activity. Start the timer now. Use the yellow and blue cards to make number sentences.
Rules
1. Use each card only one time for each number sentence.
2. You don't have to use all of the cards for each number sentence.
  % responses
y4
y8

Write your answers beside the numbers.
The first one is done for you.
4-3 =1
       =2
       =3
       =4
       =5
       =6

Number correct: 5
4
3
2
1
0
16
23
17
15
13
16
52
24
10
4
4
6
       =10
       =11
       =12
Number correct: 3
2
1
0
6
7
8
79
 

This time do not use the cards.

 
 

Rules
1. You can use multiplication, division and/or fractions as well as addition and subtraction to make the number sentences.
2. Use the numbers 1, 3, 4, and 18.
3. Use as many different numbers for each number sentence as you can.

The second one is done for you.

     
                     =1
correct
>3 elements
 
57
20
(183) - 4 =2
 
    
                     =3
correct
>3 elements
 
55
20
                     =4
correct
>3 elements
 
50
13
                     =5
correct
>3 elements
 
48
22
                     =6
correct
>3 elements
 
49
27

Commentary:
Year 4 students succeeded reasonably well where they did not need to use the number 18. Year 8 students handled the initial task well, but only about 25 percent of them were able to accurately create complex responses to the second part.

[ top of the page | Maths Assessment Report 1997 ]