Students can use the Spectrum Math Grade 3 Answer Key Chapter 1 Lesson 1.1 Adding through 20 as a quick guide to resolve any of their doubts
Spectrum Math Grade 3 Chapter 1 Lesson 1.1 Problem Solving Answers Key
Add.
Question 1.
a.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (2) is indicating second row and the second addend (3) is indicating third column. Both of them are meeting at sum 5 as we can observe in the above image.
b.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (7) is indicating seventh row and the second addend (9) is indicating nineth column. Both of them are meeting at sum 16 as we can observe in the above image.
c.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (2) is indicating second row and the second addend (5) is indicating fifth column. Both of them are meeting at sum 7 as we can observe in the above image.
d.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (1) is indicating first row and the second addend (7) is indicating seventh column. Both of them are meeting at sum 8 as we can observe in the above image.
e.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (0) is indicating zeroth row and the second addend (3) is indicating third column. Both of them are meeting at sum 3 as we can observe in the above image.
f.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (9) is indicating nineth row and the second addend (5) is indicating fifth column. Both of them are meeting at sum 14 as we can observe in the above image.
Question 2.
a.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (7) is indicating seventh row and the second addend (2) is indicating second column. Both of them are meeting at sum 9 as we can observe in the above image.
b.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (3) is indicating third row and the second addend (3) is indicating third column. Both of them are meeting at sum 6 as we can observe in the above image.
c.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (9) is indicating nineth row and the second addend (0) is indicating zeroth column. Both of them are meeting at sum 9 as we can observe in the above image.
d.
Answer
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (6) is indicating sixth row and the second addend (5) is indicating fifth column. Both of them are meeting at sum 11 as we can observe in the above image.
e.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (0) is indicating zeroth row and the second addend (7) is indicating seventh column. Both of them are meeting at sum 7 as we can observe in the above image.
f.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (8) is indicating eight row and the second addend (5) is indicating fifth column. Both of them are meeting at sum 13 as we can observe in the above image.
Question 3.
a.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (4) is indicating fourth row and the second addend (3) is indicating third column. Both of them are meeting at sum 7 as we can observe in the above image.
b.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (2) is indicating second row and the second addend (9) is indicating nineth column. Both of them are meeting at sum 11 as we can observe in the above image.
c.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (7) is indicating seventh row and the second addend (7) is indicating seventh column. Both of them are meeting at sum 14 as we can observe in the above image.
d.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (5) is indicating fifth row and the second addend (6) is indicating sixth column. Both of them are meeting at sum 11 as we can observe in the above image.
e.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (5) is indicating fifth row and the second addend (9) is indicating nineth column. Both of them are meeting at sum 14 as we can observe in the above image.
f.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (0) is indicating zeroth row and the second addend (6) is indicating sixth column. Both of them are meeting at sum 6 as we can observe in the above image.
Question 4.
a.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (0) is indicating zeroth row and the second addend (0) is indicating zeroth column. Both of them are meeting at sum 0 as we can observe in the above image.
b.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (8) is indicating eight row and the second addend (3) is indicating third column. Both of them are meeting at sum 11 as we can observe in the above image.
c.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (8) is indicating eight row and the second addend (6) is indicating sixth column. Both of them are meeting at sum 14 as we can observe in the above image.
d.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (6) is indicating sixth row and the second addend (1) is indicating first column. Both of them are meeting at sum 7 as we can observe in the above image.
e.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (5) is indicating fifth row and the second addend (3) is indicating third column. Both of them are meeting at sum 8 as we can observe in the above image.
f.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (4) is indicating fourth row and the second addend (8) is indicating eight column. Both of them are meeting at sum 12 as we can observe in the above image.
Question 5.
a.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (5) is indicating fifth row and the second addend (2) is indicating second column. Both of them are meeting at sum 7 as we can observe in the above image.
b.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (3) is indicating third row and the second addend (1) is indicating first column. Both of them are meeting at sum 4 as we can observe in the above image.
c.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (2) is indicating second row and the second addend (4) is indicating fourth column. Both of them are meeting at sum 6 as we can observe in the above image.
d.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (8) is indicating eight row and the second addend (2) is indicating second column. Both of them are meeting at sum 10 as we can observe in the above image.
e.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (8) is indicating eight row and the second addend (8) is indicating eight column. Both of them are meeting at sum 16 as we can observe in the above image.
f.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (3) is indicating third row and the second addend (6) is indicating sixth column. Both of them are meeting at sum 9 as we can observe in the above image.
Question 6.
a.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (0) is indicating zeroth row and the second addend (9) is indicating nineth column. Both of them are meeting at sum 9 as we can observe in the above image.
b.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (5) is indicating fifth row and the second addend (7) is indicating sventh column. Both of them are meeting at sum 12 as we can observe in the above image.
c.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (3) is indicating third row and the second addend (9) is indicating nineth column. Both of them are meeting at sum 12 as we can observe in the above image.
d.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (6) is indicating sixth row and the second addend (9) is indicating nineth column. Both of them are meeting at sum 15 as we can observe in the above image.
e.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (9) is indicating nineth row and the second addend (9) is indicating nineth column. Both of them are meeting at sum 18 as we can observe in the above image.
f.
Answer:
Explanation:
The first addend is indicating a row and the second addend is indicating a column. From the given question, the first addend (5) is indicating fifth row and the second addend (7) is indicating seventh column. Both of them are meeting at sum 12 as we can observe in the above image.