Georgia Online Formative Assessment Resource (GOFAR)
5th Math Unit 1 Review
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Q 1. A rectangle has a length of 0.628 feet and a width of
feet.
Part A
Write the width of the rectangle in decimal form. Write the decimal width
of the rectangle in expanded form.
Part B
What is the length of the rectangle, rounded to the nearest hundredth?
Explain your answer.
Part C
The area of the rectangle is approximately 0.085 square feet. Why is the
value of the area of the rectangle less than the value of the length? Explain
your answer.
Be sure to complete ALL parts of the task.
Write your answer and show your work on the paper provided.
Do NOT type your answer in the text box below.
Q 2. Use what you know about rounding to answer Parts A, B, and C.
Part A
Round 2.097 to the nearest whole number. Explain your answer.
Part B
Round 15.0974 to the nearest hundredth. Explain your answer.
Part C
Two processes for estimating the expression
number are listed below.
to the nearest whole
Process 1: Round 6.6 to 7 and round 1.3 to 1, and then subtract.
Process 2: Subtract 1.3 from 6.6, and then round the final answer.
Justify which process should be used to estimate
Explain your answer.
Be sure to complete ALL parts of the task.
Write your answer and show your work on the paper provided.
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Do NOT type your answer in the text box below.
Q 3. The table shows the number of Earth years it takes the five inner
planets of our solar system to orbit the sun.
Part A
How many more Earth years does it take Mars to make one orbit around
the sun than it takes Venus? Show your work.
Part B
There are 365 Earth days in 1 Earth year. How many Earth days does it
take Jupiter to make one orbit around the sun? Round your answer to the
nearest whole number. Show your work.
Part C
The expression below shows how to find the total number of Earth years it
takes Mercury to orbit 100 times around the sun.
What is the value of the expression? Show your work.
Be sure to complete ALL parts of the task.
Write your answer and show your work on the paper provided.
Do NOT type your answer in the text box below.
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th
Q 4. The table shows the times of the top four finishers in the 5 grade
obstacle course at an elementary school. They are listed in alphabetical
order.
Part A
Using one of the symbols,
time. Explain your answer.
compare Glenda's time with Sheryl's
Part B
Write Enrico's time in expanded form.
Part C
Explain whether or not parentheses need to be placed around any of the
numbers you wrote in Part C.
Be sure to complete ALL parts of the task.
Write your answer and show your work on the paper provided.
Do NOT type your answer in the text box below.
Q 5. Irma has $31.84 to buy two of the four items listed.
$15.96 toy
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$17.08 shirt
$16.13 book
$15.68 flowers
What is one possible combination of two items Irma can buy?
Type your answer in the box.
You may use numbers, symbols, and/or text in your answer.
Q 6. The table shows the distances five students each ran in 10 seconds.
Which student ran the farthest distance?
Type your answer in the box.
You may use numbers, symbols, and/or text in your answer.
Q 7. Round each number shown in the list to the nearest hundredth.
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What is the sum of the rounded numbers in the list?
Type your answer in the box.
You may use numbers, symbols, and/or text in your answer.
Q 8. The table shows the average number of DVDs rented during last month
at a store based on the day of the week.
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Alonzo stated that the average number of DVDs rented on Friday was
about 10 times the average number rented on Tuesday. Explain whether
or not Alonzo's statement is correct.
Type your answer in the box.
You may use numbers, symbols, and/or text in your answer.
Q 9. Write the phrase shown using only numbers and symbols.
"Five times the difference of seven less than twelve"
Type your answer in the box.
You may use numbers, symbols, and/or text in your answer.
Q 10. Which statement correctly rounds a decimal to the nearest
hundredth?
A)The number 0.4737 rounds to 0.48.
B)The number 0.5261 rounds to 0.53.
C)The number 0.6429 rounds to 0.643.
D)The number 0.7813 rounds to 0.782.
Q 11. The lengths of four rhinoceroses, or rhinos, are shown in the chart.
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Part A
Which rhino is the longest? Which is the shortest?
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A 5 rhino is longer than the shortest one from the chart,
but not as long
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as the longest rhino. What could be the length of the 5 rhino? Explain
your answer.
Part B
Round each value in the chart to the nearest tenth.
Part C
Mark said that if all 4 rhinos stood end to end they would be more than 15
meters in length. Is Mark correct? Explain your answer.
Part D
How is the value of the 8 in the number 3.528 different from the value of
the 8 in the number 3.68? Use what you know about place value to explain
your answer.
Be sure to complete ALL parts of the task.
Write your answer and show your work on the paper provided.
Do NOT type your answer in the text box below.
Q 12. Two number patterns are shown in the table.
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Part A
Find the difference between the fourth term of Pattern P and the fourth
term of Pattern Q. Show your work or explain your answer.
Part B
One of the terms of Pattern P is 355. Use what you know about place value
to explain the relationship between the values of the two 5s in 355.
Part C
Which term in both patterns is the same number? Explain how you found
your answer or show your work.
Be sure to complete ALL parts of the task.
Write your answer and show your work on the paper provided.
Do NOT type your answer in the text box below.
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