Unit 1 Game
Name: Operation: Integers
What you need: Recording Sheet, 2 number
cubes (1–6)
Directions
Operation: Integers Rec
the target numbers.
ording Sheet
Target Numbers: 1 or
2
To begin, each player rolls 2 number
• cubes
and adds the numbers shown.
Round
Numbers
1
These are the two target numbers,
which can be positive or negative.
Record both target numbers at the top
of the Recording Sheet.
2
ation
0 2 (26) 5 26
26 , 22
2
,
7
,
8
,
9
,
10
,
I think about a
number line when
I add and subtract
integers. What
happens if I subtract
a positive number?
What if I subtract
5 a
Tally marks
negative
number? Total
What if I add a
negative number?
212 211 210 29 28
27 26 25 24 23
22 21
the result in the Numbers column, under the
• Write
“0.” This will be the first number in the equation
24
4
,
6
Unit 1 Game
26
26 2 (22) 5 24
,
5
use the number line on the recording sheet to
help you add or subtract. Record the sum or
difference. If the result is equal to one of the target
78
numbers, score 1 point.
Sum or
Difference
,
4
Each player makes an addition or subtraction
• equation
with 0 and his or her number. You may
4
and 1 or 2
Addition or Subtraction
Equ
16
0,
3
For Round 1, both players roll a
number cube and record the number next to the
“0” in their Numbers column. Then roll the
number cube again. Make the recorded number
positive if you roll an even number. Otherwise,
make it negative.
7
6
Your goal is to create two integers and
• add
or subtract them to reach one of
•
Carrie
Name:
Score:
0
1
2
3
4
5
6
7
©Curriculum Associates,
8
9
10 11 12
LLC Copying is not permit
ted.
for round 2.
9 more rounds. Start with the result from the
• Play
previous round. Then roll to make another integer.
Decide whether to add or subtract. Record the
result, and score 1 point if it equals a target number.
10 rounds, the player with the most points
• After
wins.
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Unit 1 Game
77
Name: Operation: Integers Recording Sheet
Target Numbers: 1 or 2
Round
Numbers
1
0, 2
, 3
, 4
, 5
, 6
, 7
, 8
, 9
, 10
, and 1 or 2
Sum or
Difference
Addition or Subtraction Equation
212 211 210 29 28 27 26 25 24 23 22 21
0
1
2
3
4
5
6
7
8
9
10 11 12
Score: 5 78
Unit 1 Game
Tally marks
Total
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Unit 1 Practice
Name: The Number System
In this unit you learned to:
Lesson
add and subtract positive and negative integers, for example: 23 1 (24) 5 27.
1, 2, 3
multiply and divide positive and negative integers, for example: 22 ? (24) 5 8.
4
add and subtract rational numbers, for example: 22.5 1 3.8 5 1.3.
7
multiply and divide rational numbers, for example: 2​  1 ​ 4 ​ 1 ​ 5 2​ 3 ​.
6
4
··
3
··
4
··
6, 7, 8
solve word problems with rational numbers.
Use these skills to solve problems 1–8.
1 Which of the following equations are
2 Which expression is equivalent to
true? Select all that apply.
5 2 14? Select all that apply.
A 7 1 (27) 5 14
A 23 ? 3
B 24 1 9 5 5
B 9 4 (21)
C 3 2 (210) 5 27
C 25 1 14
D 22 2 6 5 28
D 14 2 (25)
3 A football team loses 3 yards, gains 12 yards, gains
10 yards, and then loses 15 yards. Did the team gain
yards or lose yards overall? How many yards?
Show your work.
Solution: ©Curriculum Associates, LLC Copying is not permitted.
Unit 1 Practice
79
Solve.
4 Tell whether each fraction, ​ 1 ​, is written as a terminating
n
··
decimal or a repeating decimal for the given values
of n. Write T for terminating or R for repeating.
n
2
3
4
5
6
8
9
10
Fraction
5 Patrick recorded the daily changes of the
6 A fish’s position changes by 22.4 feet
value of a stock in dollars: 23.40, 28.09,
22.47, 1.86, and 3.55. What was the
average daily change in the stock’s value
in dollars?
per second. How long will it take the fish
to change its position by 213.2 feet?
A 0.18 seconds
B 5.5 seconds
Show your work.
C 10.8 seconds
D 31.68 seconds
Solution: 7 A pelican flies 2 ​ 1 ​feet above the surface
4
··
of the ocean. A dolphin swims 10 ​ 1 ​ feet
2
··
8 Given the four rational numbers below,
find the greatest difference and the
greatest product using two of the
numbers for each operation.
below the surface. How far apart are the
dolphin and the pelican?
Show your work.
2 ​ 1 ​ 1.5 21.25 23 ​ 1 ​
Greatest difference: 3
··
4
··
Solution: 80
Unit 1 Practice
Greatest product: ©Curriculum Associates, LLC Copying is not permitted.
Unit 1 Performance Task
Name: Answer the questions and show all your work on
separate paper.
Mai and Wes played a board game. At the end of the game,
each player had a negative balance in the bank. Mai’s
balance was the greater number, so she won the game.
Here are all the cards Mai and Wes picked during the game.
They each picked the same number of cards.
Checklist
Did you . . .
Pay a $12
parking ticket.
Get $10 from
your sister.
Find $8 in your
jacket pocket.
Spend $32 on
groceries.
match situations
with positive
and negative
numbers?
Earn $6 from
a rebate.
Buy a shirt for
$14.
Spend $22 at
the cinema.
Get $24 returning
a product.
try different
combinations of
numbers?
Earn $20 at
a bake sale.
Earn $26 doing
yard work.
Donate $20 to
a charity.
Give your
brother $2.
Lend a friend
$12.
Receive a gift
of $10.
Spend $18 on
sporting goods.
Make $18 selling
books.
Make $16 at
a yard sale.
Donate $30 to
a charity.
Buy office
supplies for $8.
Receive a gift
of $4.
check your
calculations?
Find the cards that Mai could have picked and the cards that
Wes could have picked. Show the amount on each card as a
positive or negative number. Then find each player’s ending
amount after picking all of the cards. Show all your work and
tell how you know your solution is correct.
Reflect on Mathematical Practices
After you complete the task, choose one of the following
questions to answer.
1 Persevere How did you decide which cards to use for
each player?
2 Reason Mathematically How did you know whether
a situation was represented by a positive or negative
number?
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Unit 1 Performance Task
81
Performance Task Tips
Word Bank Here are some words that you might use
in your answer.
positive
add
subtract
negative
sum
difference
Model Here is a model that you might use to find the
solution.
Sentence Starters Here are some sentence starters that
might help you explain your work.
To add a negative number, Some situations that are represented by negative
numbers are To compare negative numbers, 82
Unit 1 Performance Task
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Unit 1 Vocabulary
Name: My Examples
absolute value
the distance a number is from 0 on the
number line
|2| 5 2
|23| 5 3
My Words
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Unit 1 Vocabulary
83
My Words
84
Unit 1 Vocabulary
My Examples
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