: He Whiriwhiringa Tau A
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Approach: Independent  
Focus:   Understanding number and number operations
Resources:  Te puka whakautu
Kupu: wähi kauruku = shaded area whakatau tata = estimate
Questions/instructions: 
 
% responses
Täpirihia te kotahi rau ki te:
1. 700

800

98
2. 15 735

15 835

88
3. 23 940

24 040

67
Whakareatia (whakarautia) ënei tau ki te kotahi rau:
4. 12

1200

50
5. 316

31 600

36
6. 5.3

530

5
7. Ko tëhea te tau tino pai hei whakaatu i te rahi o te wähi kauruku o te pouaka?
A 0.02  
B 0.12
B
C 0.30  
D 0.32
E 0.52
 
31
 
 
 

8. Whakatau tata i te tau ä-ira e tohua ana i tënei rärangi tau.

0.5

21
9. He aha te tau e 4 te iti ake i te 34,000?

33 996

21
10. Ko tëhea o ënei te tau nui rawa atu? Kaua e whakaoti tüturu, engari me whakatau tata.
A 29 + 0.8  
B 29 x 0.8
C 29 ÷ 0.8
C
D 29 – 0.8  

7

11. He aha te hautau o te wähi kauruku?

A 29 + 0.8
A
B 29 x 0.8
C 29 ÷ 0.8
D 29 – 0.8  
50

 
 
12. Ko tëhea o ënei te tau nui rawa atu? Kaua e whakaoti tüturu, engari me whakatau tata.
A 145 x 4
B 144 + 146 + 148 + 150
B
C 140 + 142 + 144 + 150
D 140 + 142 + 148 + 150  

67
 
13. Titiro ki te tütohi i runga nei. He aha te körero tika?
A I heke te ua i te 2/3 o ngä rängi.
B I heke te ua i te 1/2 o ngä rängi.
C I heke te ua i te 3/5 o ngä rängi.
D I heke te ua i te 2/5 o ngä rängi.
D

 
40
14. He aha tëtahi atu ingoa mö te 15/4?
A 4 1/5
B 2 1/4
C 7 4/5
D 3 3/4
D

 
12
15. Tuhia tënei tau hei tau ä-ira.
4 2/10
 

4.2

10

Commentary:
Students were relatively successful with the more simple computational items and were less successful with the questions involving fractional numbers.

 
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