Decimals

1
Decimals
Look at the models below and write the fraction
and decimal.
Parts (less than 1 whole)
Ones ( and) Tenths Hundredths
Fraction
Decimal
How are a fraction and a decimal alike?
Write lt, gt, or
How are the two above models alike? How are
they different?
18.0
19.0
Label the line
2
Sample Problems
3
Number Lines
Finding patterns on a number line are
like finding the increments on a thermometer.
Test it out -is it skip counting by 1s?
-is it skip counting by 2s? -is it
skip counting by 5s? -is it
skip counting by 10s?
Label the number line to find which decimal
represents X.


Label the number line to find which decimal
represents P.
P
55.0
56.0
56.5
55.5
Middle Means ?
4
Sample Problems
5
Possible CombinationsPick one from each category
Entrees Side Dishes
Hamburger French Fries
Hot Dog Potato Chips
Pizza

• Jason is ordering from the menu. He can
  have one item from each category. List all the
  possible combinations of dinners he can have.

6
Sample Problems
7
Possible CombinationsPick a small group from a
larger group

• Smoothie King received the following shipment
  of fruits this morning.

What are all the possible smoothies that can be
made using two fruits?
How did you make sure that you included all the
possible choices?
8
Sample Problems
9
Possible CombinationsOrder matters

• Maria has 3 chores to do after school.

Take out the trash
Empty the dishwasher
Make her bed
What are all the possible orders in which she can
do her chores?
10
Sample Problems
11
Reasonableness
Nya bought 4 books. The least expensive book was
3 and the most expensive book was 6. What is a
reasonable amount of money she could have paid
for the books?


?
?
Thinkhow are these alike and how are they
different?
Nya bought some books. She spent a total of 21.
The least expensive book was 3 and the most
expensive book was 6. What is a reasonable
number of books she bought?
12
Sample Problems
13
Guess and Check
Write the appropriate letter next to the correct
vocabulary word and story problem.
A.
b. toys
4
Brad has 4 toys. Yanelley has 1 less toy than
Brad. How many toys does Yanelley have?
Less _____
y. toys
4
4
?
B.
Brad has 4 toys. Yanelley has twice as many toys
as Brad. How many toys does Yanelley have?
4
b. toys
TWICE _____
y. toys
More _____
Brad has 4 toys. Yanelley has 1 more toy than
Brad. How many toys does Yanelley have?
C.
4
b. toys
y. toys
4
1
Brad has 4 toys. Yanelley has double the number
of toys as Brad. How many toys does Yanelley
have?
DOUBLE _______
D.
b. toys
4
4
y. toys
Brad has 4 toys. Yanelley has half as many toys
as Brad. How many toys does Yanelley have?
?
HALF ____
14
Sample Problems
Brad has 4 less toys than Yanelly. Together
they have a total of 20 toys. How many toys
does each person have?
15
Sample Problems
16
Know your Math Vocabulary Write or draw an
example of each.

• Sum-
• Difference-
• Product-
• Quotient-
• Area-
• Perimeter-
• Equivalent-
• Mixed Number-
• Improper Fraction-

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Prove IT!Read and discuss these with a friend.

• Show strategies on every problem..-- especially
  the easy onesWhy?
• If a problem seems very easyre-read. Are you
  missing an important detail?
• Read carefully for the words NOT, LESS THAN OR
  MORE THAN...Why?
• Prove that your answers are correct before you
  bubble your answerHow?
• Only change an answer choice if you find a
  mistakeyour 1st answer choice is usually correct.

18
Pace yourself.How will you pace yourself?

• Spend about 5 minutes on each problem.
• If you are stuck, circle the problem number in
  your booklet and come back to it after you finish
  the rest of the test.
• __________________________________________
• ________________________________________________

19
Increase Your Brain Power-place a check next to
the ones you will use during the test.

• Sideways Figure 8s-put thumbs together and trace
  a sideways 8 in the air.
• Nose/Ear Switch-place right hand on left ear and
  left hand on nose and switch.
• Brain Buttons-rub collar bones and breath in and
  out slowly.
• Alpha State-Close your eyes, picture yourself in
  a very quiet peaceful place, where you are
  totally relaxed. This will increase your mental
  concentration and relieve stress.
• Where is your place?________________

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20
COME ONGIMME THAT TEST!!

• Say
• I can do this! I will pass this test!
• I will use my strategies!
• Come on gimme that test!
• List some of the strategies you will use on the
  test.
• _______________ ________________
• _______________ ________________
• _______________ ________________
• _______________ ________________
• _______________ ________________

I DID IT!