This handy Spectrum Math Grade 4 Answer Key Chapter 1 Lesson 1.4 Adding through 2 Digits (with renaming) provides detailed answers for the workbook questions.
Spectrum Math Grade 4 Chapter 1 Lesson 1.4 Adding through 2 Digits (with renaming) Answers Key
Add.
Question 1.
a.
Answer:
Explanation:
Ones Place Value
6 + 5 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 3 + 1 = 5
Put the 5 in Tens place
b.
Answer:
Explanation:
Ones Place Value
9 + 8 = 17
Put the 7 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 2 + 1 = 4
Put the 4 in Tens place
c.
Answer:
Explanation:
Ones Place Value
7 + 3 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 5 + 2 = 8
Put the 8 in Tens place
d.
Answer:
Explanation:
Ones Place Value
8 + 3 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 1 + 1 = 3
Put the 3 in Tens place
e.
Answer:
Explanation:
Ones Place Value
4 + 6 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 7 = 8
Put the 8 in Tens place
f.
Answer:
Explanation:
Ones Place Value
8 + 7 = 15
Put the 5 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 2 = 3
Put the 3 in Tens place
Question 2.
a.
Answer:
Explanation:
Ones Place Value
8 + 3 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 8 = 9
Put the 9 in Tens place
b.
Answer:
Explanation:
Ones Place Value
7 + 7 = 14
Put the 4 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 4 + 1 = 6
Put the 6 in Tens place
c.
Answer:
Explanation:
Ones Place Value
7 + 7 = 14
Put the 4 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 2 + 4 = 7
Put the 7 in Tens place
d.
Answer:
Explanation:
Ones Place Value
5 + 6 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 5 + 2 = 8
Put the 8 in Tens place
e.
Answer:
Explanation:
Ones Place Value
9 + 5 = 14
Put the 4 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 1 + 1 = 3
Put the 3 in Tens place
f.
Answer:
Explanation:
Ones Place Value
1 + 9 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 5 + 1 = 7
Put the 7 in Tens place
Question 3.
a.
Answer:
Explanation:
Ones Place Value
5 + 6 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 6 + 2 = 9
Put the 9 in Tens place
b.
Answer:
Explanation:
Ones Place Value
9 + 9 = 18
Put the 8 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 3 + 3 = 7
Put the 7 in Tens place
c.
Answer:
Explanation:
Ones Place Value
5 + 5 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 2 + 2 = 5
Put the 5 in Tens place
d.
Answer:
Explanation:
Ones Place Value
5 + 5 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 4 + 4 = 9
Put the 9 in Tens place
e.
Answer:
Explanation:
Ones Place Value
6 + 8 = 14
Put the 4 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 3 + 4 = 8
Put the 8 in Tens place
f.
Answer:
Explanation:
Ones Place Value
5 + 6 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 7 + 1 = 9
Put the 9 in Tens place
Question 4.
a.
Answer:
Explanation:
Ones Place Value
7 + 6 = 13
Put the 3 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 3 + 2 = 6
Put the 6 in Tens place
b.
Answer:
Explanation:
Ones Place Value
4 + 8 = 12
Put the 2 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 1 + 4 = 6
Put the 6 in Tens place
c.
Answer:
Explanation:
Ones Place Value
3 + 8 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 1 + 6 = 8
Put the 8 in Tens place
d.
Answer:
Explanation:
Ones Place Value
8 + 2 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 4 + 2 = 7
Put the 7 in Tens place
e.
Answer:
Explanation:
Ones Place Value
7 + 7 = 14
Put the 4 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 3 + 1 = 5
Put the 5 in Tens place
f.
Answer:
Explanation:
Ones Place Value
2 + 8 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 7 + 1 = 9
Put the 9 in Tens place
Question 5.
a.
Answer:
Explanation:
Ones Place Value
5 + 5 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 6 + 2 = 9
Put the 9 in Tens place
b.
Answer:
Explanation:
Ones Place Value
9 + 8 = 17
Put the 7 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 4 = 5
Put the 5 in Tens place
c.
Answer:
Explanation:
Ones Place Value
7 + 7 = 14
Put the 4 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 7 = 8
Put the 8 in Tens place
d.
Answer:
Explanation:
Ones Place Value
2 + 9 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 8 = 9
Put the 9 in Tens place
e.
Answer:
Explanation:
Ones Place Value
8 + 9 = 17
Put the 7 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 2 = 3
Put the 3 in Tens place
f.
Answer:
Explanation:
Ones Place Value
8 + 2 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 4 + 3 = 8
Put the 8 in Tens place
Question 6.
a.
Answer:
Explanation:
Ones Place Value
9 + 9 = 18
Put the 8 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 3 + 2 = 6
Put the 6 in Tens place
b.
Answer:
Explanation:
Ones Place Value
8 + 8 = 16
Put the 6 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 2 + 2 = 5
Put the 5 in Tens place
c.
Answer:
Explanation:
Ones Place Value
9 + 9 = 18
Put the 8 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 2 = 3
Put the 3 in Tens place
d.
Answer:
Explanation:
Ones Place Value
8 + 7 = 15
Put the 5 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 2 + 5 = 8
Put the 8 in Tens place
e.
Answer:
Explanation:
Ones Place Value
9 + 4 = 13
Put the 3 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 1 + 1 = 3
Put the 3 in Tens place
f.
Answer:
Explanation:
Ones Place Value
9 + 2 = 11
Put the 1 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 7 = 8
Put the 8 in Tens place
Question 7.
a.
Answer:
Explanation:
Ones Place Value
5 + 7 = 12
Put the 2 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 7 = 8
Put the 8 in Tens place
b.
Answer:
Explanation:
Ones Place Value
3 + 9 = 12
Put the 2 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 7 = 8
Put the 8 in Tens place
c.
Answer:
Explanation:
Ones Place Value
6 + 6 = 12
Put the 2 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 3 + 3 = 7
Put the 7 in Tens place
d.
Answer:
Explanation:
Ones Place Value
8 + 8 = 16
Put the 6 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 7 + 1 = 9
Put the 9 in Tens place
e.
Answer:
Explanation:
Ones Place Value
9 + 9 = 18
Put the 8 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 1 + 1 = 3
Put the 3 in Tens place
f.
Answer:
Explanation:
Ones Place Value
3 + 7 = 10
Put the 0 in Ones place
Carry the 1 to Tens place
Tens Place Value
1 + 4 + 1 = 6
Put the 6 in Tens place