singapore model drawing method alice earned money from tips from her waitress job. she put ¼ of the...
TRANSCRIPT
Singapore Model Drawing Method Alice earned money from tips from her
waitress job. She put ¼ of the money in her savings account. She gave ¾ of the remaining money to the local food bank. She had $12 left for herself. How much money did Alice earn in tips?
Let’s Get Started!
Step 1: Read the entire problem and underline the question.
Alice earned money from tips from her
waitress job. She put ¼ of the money in her savings account. She gave ¾ of the remaining money to the local food bank. She had $12 left for herself. How much money did Alice earn in tips?
Step 2: Rewrite question as an answer statement.
How much money did Alice earn in tips?
becomes…
Alice earned _________ in tips.
Step 3: Determine who and/or what is involved in the problem.
Alice earned money from tips from her waitress job. She put ¼ of the money in her savings account. She gave ¾ of the remaining money to the local food bank. She had $12 left for herself. How much money did Alice earn in tips?
Step 4: Draw a Unit Bar(s)
Alice’s Tips
Step 5: “Chunk” the Problem Draw in information that you know
1/4
savingsAlice’s Tips
Step 5: “Chunking”… Continue to fill in information that you know…
1/4
3/4
$12
savings
Food bank contributionCan you see what each fourth is equal to in the bottom bar?
RemainderAlice’s Tips
Step 6: Perform Calculations
1/4
3/4
$12
savings
Food bank contributionEach fourth is equal to $12, We use the calculation $12 x 4 = $48So, we know the remainder was $48.
Remainder
$12$12$12
Alice’s Tips
Step 6: Perform Calculations
1/4
3/4
$12
savings
Food bank contributionOn the top bar, the Remainder is divided into thirds. $48 / 3 = $16
Remainder($48)
$16 $16 $16Alice’s Tips
Step 7: Conclusion
1/4
3/4
$12
savings
Food bank contributionWe see that each fourth on the top bar is equal to $16. So, the total tips that Alice earned were $16 x 4 = $64
Remainder ($48)
$16 $16 $16$16
Alice’s Tips
Step 7: Conclusion
1/4
3/4
$12
savings
Food bank contribution
$16 $16 $16$16
Alice earned $64 in tips.
Alice’s Tips
There are 600 people at a beach. 2/3 of them are men while the rest are women and children. 1/3 of the number of women equals to ½ of the number of children. If 1/10 of the women and ¼ of the children cannot swim, how many women and children can swim?
YOU TRY!(on a separate sheet of paper)