Understand subtraction of rational numbers as adding the additive inverse, p – q = p + (–q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world contexts.
Required
0 points
0
Question 1
1.
Solve the following expression:
−7−(−3)=
Required
0 points
0
Question 2
2.
Solve the following expression:
−4−7=
Required
0 points
0
Question 3
3.
Solve the following expression:
6−(−3)=
7.NS.A.1.a
Describe situations in which opposite quantities combine to make 0.
Required
1 point
1
Question 4
4.
NS.A.1a
Consider the number line:
What is the sign (positive/negative) of A + B?
Required
1 point
1
Question 5
5.
NS.A.1a
What is the sign of -1042.6 + 1042.6?
1 point
1
Question 6
6.
NS.A.1a
Which situation results in a total of 0?
7.NS.A.1
Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
Required
1 point
1
Question 7
7.
7.NS.A.1
Evaluate the following expression.
2\frac{1}{4}-(-3\frac{1}{2})-\frac{1}{4}
**You must show each step in Formative's SYW for full credit.**
You may use the number line to support your thinking but it is optional.
2 points
2
Question 8
8.
7.NS.A.1
Evaluate the following expression.
2\frac{3}{5}-(-2\frac{1}{5})
**You must show each step in Formative's SYW for full credit.**
You may use the number line to support your thinking but it is optional.
2 points
2
Question 9
9.
7.NS.A.1
Evaluate the following expression.
-4\frac{1}{2}-(1\frac{1}{4})
**You must show each step in Formative's SYW for full credit.**
You may use the number line to support your thinking but it is optional.