Practice with the help of Spectrum Math Grade 1 Answer Key Chapter 1 Lesson 1.7 Fact Families 0 Through 6 regularly and improve your accuracy in solving questions.
Spectrum Math Grade 1 Chapter 1 Lesson 1.7 Fact Families 0 Through 6 Answers Key
Add or Subtract.
1.
Answer:
Explanation:
Addition:
2 + 3 = 5.
=> Two plus three equals five.
3 + 2 = 5.
=> Three plus two equals five.
Subtraction:
5 – 2 = 3.
=> Five minus two equals three.
5 – 3 = 2.
=> Five minus three equals two.
2.
Answer:
Explanation:
Addition:
5 + 1 = 6.
=> Five plus one equals six.
1 + 5 = 6.
=> One plus five equals six.
Subtraction:
6 – 5 = 1.
=> Six minus five equals one.
6 – 1 = 5.
=> Six minus one equals five.
3.
Answer:
Explanation:
Addition:
3 + 1 = 4.
=> Three plus one equals four.
1 + 3 = 4.
=> One plus three equals four.
Subtraction:
4 – 3 = 1.
=> Four minus three equals one.
4 – 1 = 3.
=> Four minus one equals three.
4.
Answer:
Explanation:
Addition:
3 + 3 = 6.
=> Three plus three equals six.
Subtraction:
6 – 3 = 3.
=> Six minus three equals three.
5.
Answer:
Explanation:
Addition:
1 + 2 = 3.
=> One plus two equals three.
2 + 1 = 3.
=> Two plus one equals three.
Subtraction:
3 – 1 = 2.
=> Three minus one equals two.
3 – 2 = 1.
=> Three minus two equals one.
6.
Answer:
Explanation:
Addition:
3 + 3 = 6.
=> Three plus three equals six.
Subtraction:
6 – 3 = 3.
=> Six minus three equals three.
7.
Answer:
Explanation:
Addition:
2 + 2 = 4.
=> Two plus two equals four.
Subtraction:
4 – 2 = 2.
=> Four minus two equals two.
8.
Answer:
Explanation:
Addition:
4 + 1 = 5.
=> Four plus one equals five.
1 + 4 = 5.
=> One plus four equals five.
Subtraction:
5 – 4 = 1.
=> Five minus four equals one.
5 – 1 = 4.
=> Five minus one equals four.
Add or Subtract.
9.
Answer:
Explanation:
Addition:
2 + 4 = 6.
=> Two plus four equals six.
4 + 2 = 6.
=> Four plus two equals six.
Subtraction:
6 – 2 = 4.
=> Six minus two equals four.
6 – 4 = 2.
=> Six minus four equals two.
10.
Answer:
Explanation:
Addition:
1 + 1 = 2.
=> One plus one equals two.
Subtraction:
2 – 1 = 1.
=> Two minus one equals one.
11.
Answer:
Explanation:
Addition:
2 + 0 = 2.
=> Two plus zero equals two.
0 + 2 = 2.
=> Zero plus two equals two.
Subtraction:
2 – 0 = 2.
=> Two minus zero equals two.
2 – 2 = 0.
=> Two minus two equals zero.
12.
Answer:
Explanation:
Addition:
5 + 0 = 5.
=> Five plus zero equals five.
0 + 5 = 5.
=> Zero plus five equals five.
Subtraction:
5 – 5 = 0.
=> Five minus five equals zero.
5 – 0 = 5.
=> Five minus zero equals five.
13.
Answer:
Explanation:
Addition:
2 + 3 = 5.
=> Two plus three equals five.
3 + 2 = 5.
=> Three plus two equals five.
Subtraction:
5 – 2 = 3.
=> Five minus two equals three.
5 – 3 = 2.
=> Five minus three equals two.
14.
Answer:
Explanation:
Addition:
6 + 0 = 6.
=> Six plus zero equals six.
0 + 6 = 6.
=> Zero plus six equals six.
Subtraction:
6 – 0 = 6.
=> Six minus zero equals six.
6 – 6 = 0.
=> Six minus six equals zero.
15.
Answer:
Explanation:
Addition:
3 + 0 = 3.
=> Three plus zero equals three.
0 + 3 = 3.
=> Zero plus three equals three.
Subtraction:
3 – 3 = 0.
=> Three minus three equals zero.
3 – 0 = 3.
=> Three minus zero equals three.
16.
Answer:
Explanation:
Addition:
1 + 0 = 1.
=> One plus zero equals one.
0 + 1 = 1.
=> Zero plus one equals one.
Subtraction:
1 – 0 = 1.
=> One minus zero equals one.
1 – 1 = 0.
=> One minus one equals zero.