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Core Connections: Course 2

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Core Connections: Course 2 View details

2. Section 2.2

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Exercise 53 Page 92

We want to find the value of the given expression.

- 5 + 3.25

In this case, we want to add

- 5

and

3.25 .

Let's use the number line and draw an arrow from

0

to

- 5 .

We want to find the value of the given expression.

3.18 + (- 7)

In this case, we want to add

- 7

to

3.18 .

Again we will use the number line to find this sum. To do this, we should first draw an arrow from

0

to

3.18 .

Subchapter links

2.2.1 Composing Integers p.86-87

2.2.2 Adding Integers and Rational Numbers p.92

2.2.3 More Addition of Integers and Rational Numbers p.96-97

2.2.4 Multiplication as Repeated Addition p.102-103

2.2.5 Multiplication of Portions p.107-108

2.2.6 Multiplying Mixed Numbers p.112