McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays

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All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 2 Lesson 5 Repeated Addition with Arrays will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 Repeated Addition with Arrays

Explore and Explain
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 23
Teacher Directions: Jamar and 3 of his friends each collect 2 rocks. How many rocks do they hove in oil? Use connecting cubes to show equal groups of rocks. Color in the grid to show your work. Write a number sentence to show the total.
Explanation:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 1

See and Show

In an array, objects are shown in rows and columns.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 2

Describe each array using a number sentence.

Question 2.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 3
____ rows of _____ turtles
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 2
Explanation:
sum = number of rows x number of columns
3 x 3 = 9
There are 3 rows of turtles
In each row there are 3 turtles

Question 3.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 4
____ + ___ = ____
____ rows of ____ cacti
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 2
Explanation:
sum = number of rows x number of columns
2 x 4 = 8
2 rows of 4  cacti so, 8 in all

Question 3.
Shade the grid to show 4 rows of 2. Write a number sentence to describe it.
McGraw Hill My Math Grade 2 Chapter 1 Lesson 5 Answer Key Repeated Addition with Arrays 5
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 1
Explanation:
sum = number of rows x number of columns
4 x 2 = 8
Number of boxes colored are 8

Talk Math How can arrays help you add?

On My Own

McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 6

Describe the array using a number sentence.

Question 4.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 7
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 2
Explanation:
sum = number of rows x number of columns
There are 3 rows of lizards
in each row there are 5
5 x 3 = 15

Shade each grid to show the array. Write a number sentence to describe it.

Question 5.
Show 4 rows of 3.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 8
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 1
Explanation:
sum = number of rows x number of columns
4 x 3 =12
Number of boxes colored are 12

Question 6.
Show 4 rows of 1.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 9
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 1
Explanation:
sum = number of rows x number of columns
1 x 4 = 4
Number of boxes colored are 4

Question 7.
Show 2 rows of 5.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 10
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 1
Explanation:
sum = number of rows x number of columns
2 x 5 = 10
Number of boxes colored are 10

Question 8.
Show 3 rows of 4.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 11
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 1
Explanation:
sum = number of rows x number of columns
3 x 4 = 12
Number of boxes colored are 12

Problem Solving

Use an array to solve.

Question 9.
Kathy puts 5 chairs in one row. She puts the same number of chairs in three more rows. How many chairs are there in all?
_______ chairs
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 12
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 1
Explanation:
sum = number of rows x number of columns
4 x 5 = 20
Number of boxes colored are 20

Question 10.
Three hills each have 4 wind turbines. How many wind turbines are there mall?
_______ wind turbines
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 13
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 3
Explanation:
sum = number of rows x number of columns
3 x 4 = 12
Number of boxes colored are 12

Write Math Describe how this array shows the number sentence 2 + 2 + 2= 6.

McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 14

McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 My Homework Answer Key

Describe each array using a number sentence.

Question 1.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 25
___ rows of ___ mice
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 2
Explanation:
sum = number of rows x number of columns
4 x 3 = 12
there are 3 rows of mice in each row there are 4

Question 2.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 16
___ rows of ___ owls
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 2
Explanation:
sum = number of rows x number of columns
5 x 2 = 10
There are 2 rows of owls in each row there are 5 owls.

Question 3.
Show 3 rows of 5.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 17
________
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 3
Explanation:
sum = number of rows x number of columns
3 x 5 = 15
Number of boxes colored are 15

Question 4.
Show 3 rows of 2.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 18
________
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 3
Explanation:
sum = number of rows x number of columns
2 x 3 = 6
Number of boxes colored are 6

Describe each array using a number sentence.

McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 19

Question 5.
Show 3 rows of 5.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 20
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 3
Explanation:
sum = number of rows x number of columns
3 x 5 = 15
Number of boxes colored are 15

Question 6.
Show 4 rows of 2.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 21
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 3
Explanation:
sum = number of rows x number of columns
4 x 2 = 8
Number of boxes colored are 8

Question 7.
Show 2 rows of 4.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 5 Answer Key Repeated Addition with Arrays 22
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 3
Explanation:
sum = number of rows x number of columns
2 x 4 = 8
Number of boxes colored are 8

Question 8.
There are 4 legs on 1 camel. How many legs are on 5 camels?
______ legs in all
Answer:
5 x 4 = 20 legs in all
Explanation:
sum = number of rows x number of columns
1 camel has 4 legs
there are 5 camels
4 + 4 + 4 + 4 + 4 = 20
4 x  5 = 20

Vocabulary Check

Question 9.
Draw an array of 2 rows of 3.
Answer:
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 5 img 3
Explanation:
2 x 3 = 6
Number of boxes colored are 6

Math at Home Have your child think of things around them that are in an array.
Ex: eggs in a carton, days on the calendar, etc.

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