For those who have completed the Lesson 11 Homework 3.1 and want to check out if all the work is correct, this post has the answer key for you. If you are having a hard time doing this homework, you can also check out the answer key below. There are also the answer keys for the other parts of this lesson.
Lesson 11 Homework 3.1 Answer Key
 a. Array drawn showing 2 rows of 5; 10, 5
b. 2 pears drawn in each unit; unit labeled 2; whole labeled 10  5; array drawn showing 3 columns of 5; tape diagram drawn showing 3 groups of 5 is 15
 8; array drawn showing 2 columns of 8; tape diagram drawn showing 2 groups of 8 is 16
 6; array drawn showing 3 columns of 6; tape diagram drawn showing 3 groups of 66 is 18
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Lesson 11 Homework 3.1 Questions
 Fred has 10 pears. He puts 2 pears in each basket. How many baskets does he have?
a .Draw an array where each column represents the number of pears in each basket.
_____: 2 = _____
b.Redraw the pears in each basket as a unit in the tape diagram. Label the diagram with known and unknown information from the problem.
O O 
 Ms. Meyer organizes 15 clipboards equally into 3 boxes. How many clipboards are in each box? Model the problem with both an array and a labeled tape diagram. Show each column as the number of clipboards in each box.
There are _____ clipboards in each box.
 Sixteen action figures are arranged equally on 2 shelves. How many action figures are on each shelf? Model the problem with both an array and a labeled tape diagram. Show each column as the number of action figures on each shelf.
 Jasmine puts 18 hats away. She puts an equal number of hats on 3 shelves. How many hats are on each shelf? Model the problem with both an array and a labeled tape diagram. Show each column as the number of hats on each shelf.
 Corey checks out 2 books a week from the library. How many weeks will it take him to check out a total of 14 books?
Lesson 11 Pattern Sheet 3.1 Answer Key
3  6  9  12 
15  3  6  3 
9  3  12  3 
15  3  6  9 
6  12  6  15 
6  3  6  9 
3  9  6  9 
12  9  15  9 
12  3  12  6 
12  9  12  15 
12  15  3  15 
6  15  9  15 
12  6  12  9 
15  9  6  12 
9  15  6  12 
Lesson 11 Pattern Sheet 3.1 Questions
Multiply.
3 x 1 =  3 x 2 =  3 x 3 =  3 x 4 = 
3 x 5 =  3 x 1 =  3 x 2 =  3 x 1 = 
3 x 3 =  3 x 1 =  3 x 4 =  3 x 1 = 
3 x 5 =  3 x 1 =  3 x 2 =  3 x 3 = 
3 x 2 =  3 x 4 =  3 x 2 =  3 x 5 = 
3 x 2 =  3 x 1 =  3 x 2 =  3 x 3 = 
3 x 1 =  3 x 3 =  3 x 2 =  3 x 3 = 
3 x 4 =  3 x 3 =  3 x 5 =  3 x 3 = 
3 x 4 =  3 x 1 =  3 x 4 =  3 x 2 = 
3 x 4 =  3 x 3 =  3 x 4 =  3 x 5 = 
3 x 4 =  3 x 5 =  3 x 1 =  3 x 5 = 
3 x 2 =  3 x 5 =  3 x 3 =  3 x 5 = 
3 x 4 =  3 x 2 =  3 x 4 =  3 x 3 = 
3 x 5 =  3 x 3 =  3 x 2 =  3 x 4 = 
3 x 3 =  3 x 5 =  3 x 2 =  3 x 4 = 
Lesson 11 Problem Set 3.1 Answer Key

 a. 66 array drawn showing 2 columns of 6; 12, 6
b. 2 oranges drawn in each unit; unit labeled 2; whole labeled 12  3; array drawn showing 6 columns of 3; tape diagram drawn showing 6 groups of 3 is 18
 2; array drawn showing 7 columns of 2; tape diagram drawn showing 7 groups of 2 is 14
 3; array drawn showing 8 columns of 3; tape diagram drawn showing 8 groups of 3 is 24
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 a. 66 array drawn showing 2 columns of 6; 12, 6
Lesson 11 Problem Set 3.1 Questions

 Mrs. Prescott has 12 oranges. She puts 2 oranges in each bag. How many bags does she have?
a. Draw an array where each column shows a bag of oranges.
b. Redraw the oranges in each bag as a unit in the tape diagram. The first unit is done for you. as you draw, label the diagram, with known and unknown information from the problem.  Mrs. Prescott arranges 18 plums into 6 bags. How many plums are in each bag? Model the problem with both an array and a labeled tape diagram. Show each column as the number of plums in each bag.
 Fourteen shopping baskets are stacked equally in 7 piles. How many baskets are in each pile? Model the problem with both an array and a labeled tape diagram. Show each column as the number of baskets in each pile.
 In the back of the store, Mr. Prescott packs 24 bells equally into 8 bags. How many bell peppers are in each bag? Model the problem with both an array and a labeled tape diagram. Show each column as the number of bells peppers in each bag.
 Mrs. Prescott has 12 oranges. She puts 2 oranges in each bag. How many bags does she have?
Lesson 11 Exit Ticket 3.1 Answer Key
9; array and tap diagram drawn showing 9 groups of 2 is 18
Lesson 11 Exit Ticket 3.1 Questions
Ms. McCarty has 18 stickers. She puts 2 stickers on each homework paper and has no more left. How many homework papers does she have? Model the problem with both an array and a labeled tape diagram.