Clue Words
What does n represent?

Write the Expression
Find the Value
What’s the rule?
100

Mrs. Smith had 6 markers and bought 7 more. How many markers does she have in all?

Bought, More, or In All

100

Lexi had 45 ties and then she sold some. 

45 - n

What does n represent?

N= ties sold

100

Mrs. Smith had 6 markers and then bought 7 more. 

6+7

100
Erin had 7 cards. She gave 4 to Tim. How many cards did she have left?

3 cards.

7-4=3

100

INPUT         OUTPUT

0                 5

1                 6

2                 7              

RULE: 

+5


200

Ben had 26 marbles and gave 6 away. How many does he have left? 

Gave, Away, or Left

200

Angela had 7 cards and Matt gave her some more. 

7+n

What does n represent?

N= the number of cards Matt gave to Angela

200

Ben had 26 marbles and gave 6 away.

26-6

200

Mary baked 24 cookies and she gave 12 to her friends. How many did she have left? 

12 cookies.

24-12=12

200

INPUT              OUTPUT

3                        2

2                        1

1                       0

RULE:

-1


300

Jim had 9 apples. He ate 2. How many apples does he have left?

Ate or Left

300

Mike had 12 napkins and then he got some more.

12 + n

What does n represent? 

N= Napkins Mike got

300

Lexi had 7 cards. Matt gave her more. 

7+n

300

There are 6 people in the room and 9 more entered. How many people are in the room?

15 people.

6+9=15

300

INPUT       OUTPUT

6                16

8                18 

10              20

RULE:


+10

400

Mary had 24 cookies, and gave 12 to her friends. How many did she have left?

Gave or Left

400

There were 20 desks in the room. Some students sat down. How many desks were open?

20-n

What does n represent?

N= The number of students who sat down

OR

N= The number of desks taken

400

Angela had 45 ties but then sold some.

45-n

400

INPUT       OUTPUT

6                16

8                18 

10              ?

20

400

INPUT            OUTPUT

10                  5

20                 15

30                 25

RULE: 

-5

500

6 people; are in the room. 9 more entered. How many people are in the room? 

More or Entered
500

Gwen wrote 10 songs. Pharrell helped her write some of the songs. How many songs did Gwen write on her own?

10-n

What does n represent?

N=the number of songs that Pharrell helped Gwen write

500

There were 6 people in the room. 9 more entered.

6+9

500

INPUT         OUTPUT

8                  18 

10                20

12                ?

22

500

INPUT       OUTPUT

10               20

12               22

14              24

+10

M
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