"); document.writeln(""); document.close(); return(false); } function GetResponse(answerIndex, answer) { var listIndex; var responseText; if (listMap.charAt(answerIndex) == "1") { listIndex = answer.selectedIndex; responseText = answer.options[listIndex].value; } else responseText = StripSpaces(answer.value); return(responseText); } function ScoreAnswer(answerIndex, responseText) { var listIndex; var answerText; answerText = ansMap[answerIndex]; if (qtypeMap.charAt(answerIndex) == "5") return(NumericCompare(responseText, answerText)); else if (qtypeMap.charAt(answerIndex) == "6") return(MultiCompare(responseText, answerText)); else if (responseText.toUpperCase() == answerText.toUpperCase()) return(true); else return(false); } function BuildPrefixText(answerIndex, responseText, isCorrect) { var text; var listIndex; text = "
"
		if (isCorrect)
			text += ""
		else
			text += ""

		if (listMap.charAt(answerIndex) == "1") {
			if (responseText.length == 0)
				responseText = " ";
			text += " " + responseText + " ";
		}

		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: 
 

Unit 3B Study Guide


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

 1. 
In 35 ÷ 7 = 5, what is the 35 called?
a.
dividend
b.
factor
c.
divisor
d.
quotient
 

 2. 
Enrique is decorating a bulletin board. He has 28 triangles and wants to put them in 4 rows. Which picture can be used to find how many triangles he should put in each row?
a.
unit_3b_study_files/i0030000.jpg
unit_3b_study_files/i0030001.jpg
unit_3b_study_files/i0030002.jpg
unit_3b_study_files/i0030003.jpg
c.
unit_3b_study_files/i0030004.jpg
unit_3b_study_files/i0030005.jpg
unit_3b_study_files/i0030006.jpg
b.
unit_3b_study_files/i0030007.jpg
unit_3b_study_files/i0030008.jpg
unit_3b_study_files/i0030009.jpg
unit_3b_study_files/i0030010.jpg
d.
unit_3b_study_files/i0030011.jpg
unit_3b_study_files/i0030012.jpg
unit_3b_study_files/i0030013.jpg
unit_3b_study_files/i0030014.jpg
 

 3. 
Draw a picture to solve the problem.
A planetarium has 24 seats, with the same number of seats in each of 3 rows. How many seats are in each row?
a.
21 seats
b.
15 seats
c.
8 seats
d.
5 seats
 

 4. 
Draw a picture to solve the problem.
Mai bought a set of 48 glasses at a yard sale. They came in cartons with 8 glasses each. How many cartons did Mai buy?
a.
56 cartons
b.
40 cartons
c.
7 cartons
d.
6 cartons
 

 5. 
Draw a picture to solve the problem.
The art museum is holding a water color show. There are 24 pieces of art that need to be displayed. How many walls are needed if 6 pictures are placed on each wall?
a.
4 walls
b.
5 walls
c.
18 walls
d.
30 walls
 

 6. 
Which number sentence is part of the fact family for 7, 5, and 35?
a.
35 – 5 = 30
b.
35 ´ 7 = 245
c.
35 ÷ 7 = 5
d.
5 ´ 5 = 25
 

 7. 
Which of the following is NOT part of the same fact family?
a.
2 ´ 5 = 10
b.
10 – 2 = 8
c.
5 ´ 2 = 10
d.
10 ÷ 5 = 2
 

 8. 
If you know that 6 ´ 8 = 48, which division fact do you know?
a.
42 ÷ 6 = 7
b.
48 ÷ 8 = 6
c.
54 ÷ 6 = 9
d.
56 ÷ 8 = 7
 

 9. 
Tung planted tulips in the garden in the array shown below. Which number sentence does NOT belong in the fact family represented by the array?
unit_3b_study_files/i0100000.jpg
unit_3b_study_files/i0100001.jpg
unit_3b_study_files/i0100002.jpg
unit_3b_study_files/i0100003.jpg
a.
2 ´ 14 = 28
b.
28 ÷ 4 = 7
c.
28 ÷ 7 = 4
d.
4 ´ 7 = 28
 

 10. 
Tappers Dance Club held their yearly recital. There were 32 dancers altogether. They were in 4 lines. Which number sentence does NOT help you find how many dancers were in each line?
a.
28 ÷ 4 = 7
b.
4 ´ 8 = 32
c.
8 ´ 4 = 32
d.
32 ÷ 4 = 8
 

 11. 
Which multiplication fact can help you find unit_3b_study_files/i0120000.jpg?
a.
7 ´ 6
b.
7 ´ 7
c.
7 ´ 8
d.
7 ´ 9
 

 12. 
Divide.
28 ÷ 4
a.
8
b.
7
c.
6
d.
5
 

 13. 
Eight friends equally shared the cost of renting a boat for the afternoon. The total cost was $48. What did each person pay?
a.
$40
b.
$7
c.
$6
d.
$5
 

 14. 
Divide.
unit_3b_study_files/i0150000.jpg
a.
16
b.
8
c.
4
d.
3
 

 15. 
A magazine subscription costs $27 a year. If 9 magazines are delivered during the year, what is the cost of each magazine?
a.
$243
b.
$12
c.
$9
d.
$3
 

 16. 
Suppose 36 students form 6 teams with an equal number of students on each team. How many players are on each team?
a.
5 players
b.
6 players
c.
30 players
d.
42 players
 

 17. 
Which quotient is less than 36 ÷ 6?
a.
36 ÷ 9
b.
36 ÷ 6
c.
36 ÷ 4
d.
36 ÷ 3
 

 18. 
Which multiplication fact can help you find unit_3b_study_files/i0190000.jpg?
a.
1 ´ 8
b.
8 ´ 8
c.
0 ´ 0
d.
8 ´ 0
 

 19. 
Find the quotient.
unit_3b_study_files/i0200000.jpg
a.
0
c.
5
b.
1
d.
cannot be done
 

 20. 
Which comparison is TRUE?
a.
7 ÷ 7 < 8 ÷ 8
c.
7 ÷ 1 < 0 ÷ 7
b.
7 ÷ 1 > 7 ÷ 7
d.
0 ÷ 7 > 7 ÷ 7
 

 21. 
Sergio had 5 posters. He passed them out evenly to his 5 friends. How many posters did each friend get?
a.
0 posters
b.
1 poster
c.
5 posters
d.
25 posters
 

 22. 
Write a multiplication story for unit_3b_study_files/i0230000.jpg.
a.
Vin has 20 goldfish to put in 4 bowls. How many fish will he put in each bowl?
b.
Vin has 5 goldfish in one bowl and 4 goldfish in the other. How many goldfish does he have in all?
c.
Vin has 20 goldfish. He put 5 in one bowl. How many goldfish does he have left to put in the other bowl?
d.
Vin has 5 goldfish bowls with 4 fish in each bowl. How many fish does he have in all?
 

 23. 
Adriana wrote the following multiplication story. Which fact did she use to write her story?
Yuji bought 2 bags of oranges. Each bag had 8 oranges. How many oranges did he buy in all?
a.
2 ´ 8
b.
2 ´ 6
c.
8 ´ 8
d.
2 ´ 2
 

 24. 
Manuel wrote the following division story. Which fact did he use to write his story?
Tiana planted 40 tulips. She put 8 tulips in each row. How many rows of tulips did she plant?
a.
8 ÷ 8
b.
40 – 8
c.
5 ÷ 5
d.
40 ÷ 8
 

 25. 
Danielle wrote the following multiplication story. Which fact did she use to write her story?
A water molecule is made with 1 oxygen atom and 2 hydrogen atoms. Mr. Tiffany's class is making water molecule models out of styrofoam balls. If they use 2 small styrofoam balls to represent the hydrogen atoms, how many small styrofoam balls will they need to make 4 water molecules?
a.
1 ´ 2
b.
2 ´ 2
c.
4 ´ 2
d.
1 ´ 4
 



 
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