Math 7 4A SOLVE Worksheet Solving with Equations

STUDY - Malik makes 6 playlists.

Each playlist has 8 old songs and some new songs.

Altogether, he uses 78 songs.

A. Write an equation to find how many new songs (n) are on each playlist.

STUDY - What do you notice or wonder about this question (2 sentences)

STUDY - Malik makes 6 playlists.

Each playlist has 8 old songs and some new songs.

Altogether, he uses 78 songs.

A. Write an equation to find how many new songs (n) are on each playlist.
B. How many new songs are on each playlist?

STUDY - Predict the solution (2 sentences)

ORGANIZE - and Explain Key Concepts Review:

- An ​ (a)   is a ​ (b)   sentence that shows two amounts are ​ (c)  

- Use ​ (d)   when adding parts of a group (like songs in each playlist).

• equation
• math
• equal.
• parentheses

ORGANIZE - and Explain Key Concepts Review:

- ​ (a)   the whole ​ (b)   : # of playlists × (old + new songs).

- ​ (c)   using steps: multiply, subtract, ​ (d)   .

• Multiply
• group
• Solve
• divide

LINE UP - these options into the right categories

Groups:

(a) Songs in 1 playlist

,

(b) Number of playlists

,

(c) Shows balance

,

(d) Total number of songs

• 6

• =

• 8 + n

• 78

LINE UP - these options into the right categories

Groups:

(a) Songs in 1 playlist

,

(b) Number of playlists

,

(c) Shows balance

,

(d) Total number of songs

• 8 + n

• 6

• 78

• =

LINE UP - Given Step 1: 6 × (8 + n) = 78
Step 2: 48 + 6n = 78
Step 3: 48 - 48 + 6n = 78 - 48
Step 4: 6n = 30
Solve for n

• EVALUATION - On your paper write a new problem using a different scenario

• Use similar, but different numbers in your practice question

• Solve the new problem you created

• Submit you problem and solution to your teacher as your graded assignment.
  Understand?

• Yes

• No ask the teacher