: Te Utu ä-Häora
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Approach: One to one  
Focus:   Rate
Resources:  Käri pätai e 2; te puka whakautu
Kupu: toa hokomaha = supermarket
Questions/instructions: 
Whakaaturia te käri ki te äkonga, ka pänui ai i te rapanga tuatahi. Tukuna he wä hei whakaoti mäna. Kia pënei anö mö te pätai tuarua.
Anei ëtahi rapanga hei whakaoti mäu. Mäku e pänui, mäu e whai mai. Anei te pene räkau mënä e hiahia ana koe ki te tuhituhi i ö mahi. Ka tono au ki a koe kia whakamäramatia mai tö mahi.
Whakaaturia te käri tuatahi me te puka whakautu ki te äkonga.
Anei te mea tuatahi.
 
% responses
1. $6.50 te utu ä-häora mö te mahi a Hakopa i te Toa Hokomaha. E 9 häora te roa o tana mahi i tëtahi wiki. E hia tana utu mö taua wiki?

$58.50:

multiplied $6.50 x 9 and got correct answer

47

multiplied $6.50 x 9 and got incorrect answer

9

performed another calculation

18

Strategy:

used mental strategy

7

used combination of written and mental strategy

20

used written vertical algorithm

40

Whakaaturia te käri tuarua ki te äkonga.
Anei te mea tuarua.


2. $22 ka riro i a Ngähuia mö äna mahi mai i te 10:00 karaka i te ata ki te 1:00 karaka i te ahiahi. E hia te utu ä-häora?
 

recognised that 3 hours were worked

45

calculated $7.33 as hourly rate

13

Calculation:

calculated 22 ÷ 3 using standard algorithm

16

calculated 22 ÷ 3 using a valid mental strategy

14

Commentary:
Approximately half of the students were able to extract the required information from question one, recognise that the hourly rate had to be multiplied by the number of hours worked, and accurately calculate the answer. Fewer students were successful in question two which had two steps and required division.

 
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