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Direct Messages - SEQTA Lea
Assessment Master - Exam Wi
assess.scsa.wa.edu.au/engine/index.php/lms/index
School Curriculum and Standards Authority
Numeracy
(C) 0:19:34 / 0:50:00
31751624
Loaves of bread are sold in bags closed with plastic clips.
Students at East Lake School collected 1 million of these clips.
They want to estimate the total mass of the clips, in kilograms.
Which rule will not give them a good estimation?
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Question 32
Question 33
Question 34
Question 35
Question 36
Count the number of clips in 10 grams of clips, then multiply by 100000 .
Count the number of clips in 1 kilogram of clips, then divide 1 million by this number.
Find the mass of 1 clip in grams, multiply by 1 million and then divide by 1000 .
Find the mass of 20 clips in grams, divide by 1000 and then multiply by 50000 .
Content copyright WA School Curriculum and Standards Authority 2024
a)
Assessment
Copyright 
o+ SoNET Systems Pty Ltd. 2024
(.)
Master

Direct Messages - SEQTA Lea\newlineAssessment Master - Exam Wi\newlineassess.scsa.wa.edu.au/engine/index.php/lms/index\newlineSchool Curriculum and Standards Authority\newlineNumeracy\newline(C) 00:1919:3434 / 00:5050:0000\newline3175162431751624\newlineLoaves of bread are sold in bags closed with plastic clips.\newlineStudents at East Lake School collected 11 million of these clips.\newlineThey want to estimate the total mass of the clips, in kilograms.\newlineWhich rule will not give them a good estimation?\newline4141 of 4545\newlineQuestion 3232\newlineQuestion 3333\newlineQuestion 3434\newlineQuestion 3535\newlineQuestion 3636\newlineCount the number of clips in 1010 grams of clips, then multiply by 100000100000 .\newlineCount the number of clips in 11 kilogram of clips, then divide 11 million by this number.\newlineFind the mass of 11 clip in grams, multiply by 11 million and then divide by 10001000 .\newlineFind the mass of 2020 clips in grams, divide by 10001000 and then multiply by 5000050000 .\newlineContent copyright WA School Curriculum and Standards Authority 20242024\newlinea)\newlineAssessment\newlineCopyright \oplus SoNET Systems Pty Ltd. 20242024\newline(.)\newlineMaster

Full solution

Q. Direct Messages - SEQTA Lea\newlineAssessment Master - Exam Wi\newlineassess.scsa.wa.edu.au/engine/index.php/lms/index\newlineSchool Curriculum and Standards Authority\newlineNumeracy\newline(C) 00:1919:3434 / 00:5050:0000\newline3175162431751624\newlineLoaves of bread are sold in bags closed with plastic clips.\newlineStudents at East Lake School collected 11 million of these clips.\newlineThey want to estimate the total mass of the clips, in kilograms.\newlineWhich rule will not give them a good estimation?\newline4141 of 4545\newlineQuestion 3232\newlineQuestion 3333\newlineQuestion 3434\newlineQuestion 3535\newlineQuestion 3636\newlineCount the number of clips in 1010 grams of clips, then multiply by 100000100000 .\newlineCount the number of clips in 11 kilogram of clips, then divide 11 million by this number.\newlineFind the mass of 11 clip in grams, multiply by 11 million and then divide by 10001000 .\newlineFind the mass of 2020 clips in grams, divide by 10001000 and then multiply by 5000050000 .\newlineContent copyright WA School Curriculum and Standards Authority 20242024\newlinea)\newlineAssessment\newlineCopyright \oplus SoNET Systems Pty Ltd. 20242024\newline(.)\newlineMaster
  1. Analyze Rule 11: Analyze the first rule: Count the number of clips in 1010 grams of clips, then multiply by 100000100000. \newlineCalculation: If 1010 grams contain XX clips, then 11 million clips would weigh $(X \text{ clips}/\(10\) \text{ grams}) \times \(100000\) \times \(10\) \text{ grams} = X \times \(100000\) \text{ grams}.
  2. Analyze Rule \(2\): Analyze the second rule: Count the number of clips in \(1\) kilogram of clips, then divide \(1\) million by this number.\(\newline\)Calculation: If \(1\) kilogram (\(1000\) grams) contains \(Y\) clips, then the mass of \(1\) million clips is \((1 \text{ million} / Y)\) kilograms.
  3. Analyze Rule \(3\): Analyze the third rule: Find the mass of \(1\) clip in grams, multiply by \(1\) million and then divide by \(1000\). Calculation: If \(1\) clip weighs \(Z\) grams, then \(1\) million clips weigh \(Z \times 1\) million grams, which is \((Z \times 1\) million \(/ 1000)\) kilograms.
  4. Analyze Rule \(4\): Analyze the fourth rule: Find the mass of \(20\) clips in grams, divide by \(1000\) and then multiply by \(50000\). Calculation: If \(20\) clips weigh \(W\) grams, then \(1\) clip weighs \(W/20\) grams. The mass of \(1\) million clips is \(((W/20) \times 1 \text{ million}) / 1000\) kilograms = \((W \times 50000) / 1000\) kilograms = \(1000\)\(0\) kilograms.

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