Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers

Students can use the Spectrum Math Grade 3 Answer Key Chapter 2 Lesson 2.1 Adding 2-Digit Numbers as a quick guide to resolve any of their doubts

Spectrum Math Grade 3 Chapter 2 Lesson 2.1 Adding 2-Digit Numbers Answers Key

Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 1

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Question 1.
a.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 2
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.


b.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 3
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-3-1.png
c.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 4
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-4-1.png
d.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 5
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-5.png
e.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 6
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-6.png
f.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 7
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-7.png
Question 2.
a.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 8
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-8.png
b.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 9
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-9.png
c.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 10
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-10.png
d.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 11
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-11.png
e.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 12
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-12.png
f.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 13
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-13.png
Question 3.
a.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 14
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-14.png
b.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 15
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-15.png
c.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 16
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-16.png
d.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 17
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-17.png
e.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 18
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-18.png
f.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 19
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-19-1.png
Question 4.
a.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 20
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-20.png
b.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 21
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-21.png
c.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 22
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-22.png
d.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 23
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-23.png
e.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 24
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-24.png
f.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 25
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-25.png
Question 5.
a.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 26
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-26.png
b.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 27
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-27.png
c.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 28
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-28.png
d.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 29
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-29.png
e.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 30
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-30.png
f.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 31
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-31.png

Question 6.
a.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 32
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-32.png
b.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 33
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-33.png
c.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 34
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-34.png
d.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 35
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-35.png
e.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 36
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-36.png
f.
Spectrum Math Grade 3 Chapter 2 Lesson 1 Answer Key Adding 2-Digit Numbers 37
Answer:
First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers-37.png

Solve each problem.

Question 1.
Sarah earned 58 dollars last week from her paper route. This week she earned 7 dollars. How much money did she earn for both weeks combined?
She earned _________ dollars last week.
She earned __________ dollars this week.
She earned __________ dollars for both weeks combined.
Answer:
Number of dollars She earned in last week = 58
Number of dollars she earned in this week = 7
Number of dollars she earned for both weeks combined = 58 + 7 = 65

Question 2.
Eduardo has 72 dollars in his savings account. How much money will be in his savings account if he deposits 43 dollars today?
He has __________ dollars.
He will deposit __________ dollars.
He will have a total of ___________ dollars in his savings account.
Answer:
Initially, Number of dollars that Eduardo contain in savings account = 72
Number of dollars that Eduardo contain in savings account when he deposited today = 43
Total number of dollars =?
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers.Question_2.jpg
He will have 115 dollars in his savings account.

Question 3.
Flo read a book with 92 pages. Sofia read a book with 87 pages. How many pages did they both read?
Flo read _____ pages.
Sofia read ____ pages.
Together they read ____ pages.
Answer:
Number of pages read by Flo = 92
Number of pages read by Sofia  = 87
Number of pages read by both  = ?
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers.Question_3.jpg
Together they read 179 pages.

Question 4.
At the wedding reception there were 77 adults and 52 children. How many people were at the wedding reception?
There were __________ adults.
There were ________ children.
There were ____ people at the wedding reception.
Answer:
Number of adults = 77
Number of children = 52
Total number of people in the wedding reception =?
Spectrum-Math-Grade-3-Chapter-2-Lesson-1-Answer-Key-Adding-2-Digit-Numbers.Question_4.jpg
Therefore, 129 people are at wedding reception.

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