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		text += "
" return(text); } function StripSpaces(s) { var len; var i; len = s.length; for (i=len - 1; i >= 0 && s.charAt(i) == " "; --i) len = i; if (len == 0) s = ""; else if (len != s.length) s = s.substring(0, len); return(s); } function TranslateHtmlString(text) { var newText; var replaceString; var position; var length; var breakPos; var skipExtra; var i; newText = ""; position = 0; length = text.length; while (position < length) { skipExtra = 0; breakPos = -1; for (i=position; i < length && breakPos < 0; ++i) { switch(text.charAt(i)) { case '>': replaceString = ">"; breakPos = i; break; case '<': replaceString = "<"; breakPos = i; break; case '&': replaceString = "&"; breakPos = i; break; case '\r': if ((i + 1) < length && text.charAt(i + 1) == '\n') skipExtra = 1; replaceString = "
"; breakPos = i; break; case '\n': replaceString = "
"; breakPos = i; break; case ' ': if ((i + 1 < length) && text.charAt(i + 1) == ' ') { replaceString = " "; breakPos = i; } break; } } if (breakPos < 0) { newText += text.substring(position, length); position = length; } else { if (breakPos > position) newText += text.substring(position, breakPos); newText += replaceString; position = breakPos + 1 + skipExtra; } } return(newText); } function FixMCNotes(notesText, studentText) { var displayText; var searchText; var upperNotes; var charCode; var startIndex; var endIndex; displayText = ""; if (notesText.length > 0) { if (studentText.length > 0) { upperNotes = notesText.toUpperCase(); studentText = studentText.toUpperCase(); charCode = studentText.charCodeAt(0); searchText = "/" + String.fromCharCode(charCode) + "/"; startIndex = upperNotes.indexOf(searchText); if (startIndex >= 0) { startIndex += searchText.length; searchText = "/" + String.fromCharCode(charCode + 1) + "/"; endIndex = upperNotes.indexOf(searchText, startIndex); if (endIndex < startIndex) endIndex = notesText.length; displayText = notesText.substring(startIndex, endIndex); } } if (displayText.length == 0 && notesText.charAt(0) != "/") displayText = notesText; } return(displayText); } function NumericCompare(s1, s2) { var s1Sign; var s2Sign; var tempString; var decimalCount; var decimalPos; var numToDelete; var len; var ch; var i; s1.toUpperCase(); s2.toUpperCase(); if (s1 == s2) return(true); else { s1Sign = 1; s2Sign = 1; tempString = ""; for (i=0; i < s1.length; ++i) { ch = s1.charAt(i); if (ch == "-" && tempString.length == 0) s1Sign = -1; else if ((ch >= "0" && ch <= "9") || ch == ".") tempString += ch; } s1 = tempString; decimalCount = 0; decimalPos = -1; for (i=0; i < s1.length; ++i) { if (s1.charAt(i) == '.') { ++decimalCount; if (decimalPos < 0) decimalPos = i; } } if (decimalCount == 1 && decimalPos >= 0) { len = s1.length; for (i=len - 1; i >= decimalPos; --i) { if (i == decimalPos || s1.charAt(i) == '0') len = i; else break; } if (len < s1.length) s1 = s1.substring(0, len); if (s1.length == 0) s1 = "0"; } numToDelete = 0; for (i=0; i < s1.length; ++i) { if (s1.charAt(i) == "0") ++numToDelete; else break; } if (numToDelete > 0) { if (numToDelete == s1.length) --numToDelete; if (numToDelete > 0) s1 = s1.substring(numToDelete); } ///////////////////////////////////////////// tempString = ""; for (i=0; i < s2.length; ++i) { ch = s2.charAt(i); if (ch == "-" && tempString.length == 0) s2Sign = -1; else if ((ch >= "0" && ch <= "9") || ch == ".") tempString += ch; } s2 = tempString; decimalCount = 0; decimalPos = -1; for (i=0; i < s2.length; ++i) { if (s2.charAt(i) == '.') { ++decimalCount; if (decimalPos < 0) decimalPos = i; } } if (decimalCount == 1 && decimalPos >= 0) { len = s2.length; for (i=len - 1; i >= decimalPos; --i) { if (i == decimalPos || s2.charAt(i) == '0') len = i; else break; } if (len < s2.length) s2 = s2.substring(0, len); if (s2.length == 0) s2 = "0"; } numToDelete = 0; for (i=0; i < s2.length; ++i) { if (s2.charAt(i) == "0") ++numToDelete; else break; } if (numToDelete > 0) { if (numToDelete == s2.length) --numToDelete; if (numToDelete > 0) s2 = s2.substring(numToDelete); } if (s1Sign == s2Sign && s1 == s2) return(true); } return(false); } function MultiCompare(responseText, answerText) { var startIndex; var endIndex; var partialText; responseText = responseText.toUpperCase(); answerText = answerText.toUpperCase(); startIndex = 0; do { endIndex = answerText.indexOf("\r", startIndex); if (endIndex < 0) partialText = answerText.substring(startIndex); else partialText = answerText.substring(startIndex, endIndex); if (responseText == partialText) return(true); startIndex = endIndex + 1; } while (endIndex > 0); return(false); } function FixMTF(f) { var text; var letter; var theList; var listIndex; var number; var i; for (i=0; i < f.length; ++i) { if (f.elements[i].name.indexOf("MTF:") == 0) { number = parseInt(f.elements[i].name.substring(4), 10); theList = f["MTF-" + number + "-1"]; if (theList) { listIndex = theList.selectedIndex; letter = theList.options[listIndex].value; } else letter = ""; text = StripSpaces(f["MTF-" + number + "-2"].value); if (text == "") f.elements[i].value = letter; else f.elements[i].value = letter + "," + text; } } } function AllowReset() { return(window.confirm("Do you want to clear all of your answers?")); } // -->
 
Name: 
 

Math Unit 1 Part B Study Guide


Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
Order the numbers from least to greatest.
61,930unit_1b_study_files/i0020000.jpg61,390unit_1b_study_files/i0020001.jpg60,733
a.
61,930,unit_1b_study_files/i0020002.jpg61,390,unit_1b_study_files/i0020003.jpg60,733
c.
61,390,unit_1b_study_files/i0020004.jpg61,930,unit_1b_study_files/i0020005.jpg60,733
b.
60,733,unit_1b_study_files/i0020006.jpg61,390,unit_1b_study_files/i0020007.jpg61,930
d.
60,733,unit_1b_study_files/i0020008.jpg61,930,unit_1b_study_files/i0020009.jpg61,390
 

 2. 
Which number does NOT come between 78,351 and 78,590?
a.
78,382
c.
78,533
b.
78,575
d.
78,001
 

 3. 
Which number sentence is NOT true?
a.
2,798 < 2,978
c.
2,798 > 2,789
b.
2,798 < 7,298
d.
2,798 > 2,897
 

 4. 
The chart gives the number of books in some city libraries.

BOOKS IN CITY LIBRARIES
City
Number of Books
Baton Rouge, LA
1,232,185
Annapolis, MD
1,279,211
El Paso, TX
1,277,003
Long Beach, CA
1,073,929
Providence, RI
1,004,746

Which library has more volumes, Providence or Baton Rouge? What number sentence shows the comparison?
a.
Providence; 1,004,746 > 1,232,185
b.
Providence; 1,004,746 < 1,232,185
c.
Baton Rouge; 1,004,746 > 1,232,185
d.
Baton Rouge; 1,004,746 < 1,232,185
 

 5. 
The chart gives the diameters of Earth and the five closest planets.

DIAMETER OF THE CLOSEST PLANETS
Planet
Diameter (in kilometers)
Mercury
4,880
Venus
12,100
Earth
12,756
Mars
6,794
Jupiter
142,800
Saturn
120,660

Which of these statements is NOT true about the diameter of Saturn?
a.
It is less than the diameter of Jupiter.
b.
It is less than the diameter of Venus.
c.
It is greater than the diameter of Mars.
d.
It is greater than the diameter of Mercury.
 

 6. 
Round 258,669 to the nearest hundred thousand.
a.
200,000
c.
400,000
b.
358,669
d.
300,000
 

 7. 
Round 5,207,712 to the nearest million.
a.
5,000,000
c.
6,000,000
b.
5,200,000
d.
4,000,000
 

 8. 
In one month, a truck driver drove 5,410 miles. What is 5,410 rounded to the nearest hundred?
5,400
5,450
5,500
unit_1b_study_files/i0090000.jpg
a.
5,400
b.
5,600
c.
5,500
d.
5,450
 

 9. 
What is the smallest number that you can round to the nearest thousand and get 8,000?
a.
7,999
c.
7,500
b.
7,901
d.
7,499
 

 10. 
Kelly said that her family’s new car cost about $13,000. If Kelly rounded the cost to the nearest thousand, which could NOT be the exact cost of the car?
a.
$12,150
c.
$12,883
b.
$12,675
d.
$12,930
 

 11. 
Ten paper clips placed end to end are more than 1 foot long. ESTIMATE the length of 100,000 paper clips placed end to end.
a.
more than hundred thousand feet long
b.
more than ten thousand feet long
c.
more than one thousand feet long
d.
more than one million feet long
 

 12. 
How many 1,000s equal 100,000?
a.
1
c.
10
b.
100
d.
1,000
 

 13. 
Swimming is good exercise. How many 100-foot laps must you swim to go 3,400 feet?
a.
34,000 laps
c.
3,500 laps
b.
340 laps
d.
34 laps
 

 14. 
How many 10-foot sections of fence are needed to make a fence 240 feet long?
a.
230 sections
c.
2,400 sections
b.
250 sections
d.
24 sections
 

 15. 
A chef is cooking a meal for a group 20 people. For each serving the chef uses 100 milliliters of tomato sauce. How much tomato sauce is used for 20 servings?
a.
2,000 milliliters
c.
200 milliliters
b.
40 milliliters
d.
120 milliliters
 

 16. 
Look at the Seeds problem. Then look at the work Jose did to solve it.
Seedsunit_1b_study_files/i0170000.jpgThere are a total of 12 seeds in two clay pots. The first pot has six more seeds than the second. How many seeds are in the first pot?
Jose
Try 10 + 2 = 12unit_1b_study_files/i0170001.jpg10 – 2 = 8unit_1b_study_files/i0170002.jpgno
Try 8 + 4 = 12unit_1b_study_files/i0170003.jpg   8 – 4 = 4unit_1b_study_files/i0170004.jpgno
Try 9 + 3 = 12unit_1b_study_files/i0170005.jpg  9 – 3 = 6unit_1b_study_files/i0170006.jpgyes

What strategy did Jose use to solve the problem?
a.
Draw a picture.
c.
Work backwards.
b.
Try, check, revise.
d.
Make a graph.
 

 17. 
Look at the Seeds problem. Then look at the work Vanesha did to solve it.
Seedsunit_1b_study_files/i0180000.jpgThere are a total of 12 seeds in two clay pots. The first pot has six more seeds than the second. How many seeds are in the first pot?
Vanesha
Try 10 + 2 = 12unit_1b_study_files/i0180001.jpg10 – 2 = 8unit_1b_study_files/i0180002.jpgno
Try 8 + 4 = 12unit_1b_study_files/i0180003.jpg  8 – 4 = 4unit_1b_study_files/i0180004.jpgno
Try 9 + 3 = 12unit_1b_study_files/i0180005.jpg  9 – 3 = 6unit_1b_study_files/i0180006.jpgyes

What is the correct answer?
a.
The first pot has 12 seeds.
b.
The first pot has 10 seeds.
c.
The first pot has 9 seeds.
d.
The first pot has 6 seeds.
 

Other
 

 18. 
The area of Florida is 139,671 square kilometers. What is the area rounded to the nearest thousand?
___________ sq km
On the lines below, explain how you got your answer.
 
 
 



 
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