Transcript 5 Number and Operations Wheel PowerPoint

Whole Class Review Activity
Numbers and Operations
Directions:
1. Review questions have been written.
2. Click the Spin Button.
3. When the wheel stops, click to view
the question.
4. Groups discuss answer and post
their solution.
5. Groups with the right answer gets
that number of points.
6. After the question is discussed, click
to check the answer.
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Solve.
(9 + 5) –(4 x 3)
Solve.
(9 + 5) –(4 x 3)
14
PEMDAS
– 12
1
Parentheses
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Solve.
16 ÷ 2 + 6
PEMDAS
Solve.
16 ÷ 2 + 6
8 +6
14
Addition
Division
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What number would make the
statement true?
[ ]+ 0.9 = 1
What number would make the
statement true?
I’ll subtract
0.9 from
0.1
[
]+
0.9
=
1
.0
both sides to
find out what
- 0.9 =-0.9
goes in the
space.
[ ]
= 0.1
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What number would make the
statement true?
2.1 × ___ = 6.3
What number would make the
statement true?
2.1 × ___
3 = 6.3
To find the
6.3
÷
2.1
=
3
answer, I’ll use
the opposite
operation with
the two
numbers given.
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What number is missing from the
pattern?
11, 22, 33, ___, 55
What is the rule?
What number is missing from the
pattern?
11, 22, 33, 44, 55
What is the rule?
Counting by 11 (multiples of 11)
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What is the rule for the following
pattern?
2, 3, 5, 9, 17, 33
What is the rule for the following
pattern?
2, 3, 5, 9, 17, 33
2x2–1=3
3x2–1=5
5 x 2 – 1 =9
9 x 2 – 1 = 17
17 x 2 – 1 = 33
Multiply by 2 then subtract 1.
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Eddie bought 5 toy planes for $9.00
each and 4 toy cars for $15 each.
Write and solve an equation to show
how much money Eddie spent.
Eddie bought 5 toy planes for $9.00
each and 4 toy cars for $15 each.
Write and solve an equation to show
how much money Eddie spent.
5 x $9 + 4 x $15 =
$45 + $60 =
$105
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Michael cleans windows and
sweeps driveways after school.
He gets $10 for each driveway
and $3 for each window. On
Wednesday he cleaned 17
driveways and 40 windows.
How much money did Michael
make?
Michael cleans windows and
sweeps driveways after school.
He gets $10 for each driveway
and $3 for each window. On
Wednesday he cleaned 17
driveways and 40 windows. How
much money did Michael make?
17 x $10 + 40 x $3 =
$170 + $120 =
$290
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Beth gets $2/hour for babysitting on
weekdays and $3/hour for babysitting on
weekends. How much does she get paid
for babysitting 3 hours on Thursday and
4 hours on Sunday? Write an equation
and solve.
Beth gets $2/hour for babysitting on
weekdays and $3/hour for babysitting on
weekends. How much does she get paid
for babysitting 3 hours on Thursday and
4 hours on Sunday? Write an equation
and solve.
$2 x 3 + $3 x 4 =
$6 + $12 =
$18
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What is wrong with the solution below?
3(7 + 24) ÷ 3
21 + 24 ÷ 3
21 + 8
29
What is wrong with the solution below?
3(7 + 24) ÷ 3 Work in parenthesis first.
21 + 24 ÷ 3 3(31) ÷ 3 = 93 ÷ 3 = 31
21 + 8
29
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38 x 10 =
38 x 100 =
38 x 1000 =
What is the pattern?
38 x 10 = 380
38 x 100 = 3800
38 x 1000 = 38000
What is the pattern?
When multiplying by a power of
10 that is a whole number, count
the number of zeroes and
multiply by the non-zero
numbers.
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Carlos earns $10 each week taking care
of pets. About how much money will he
earn in 48 weeks taking care of pets?
Carlos earns $10 each week taking
care of pets. About how much money
will he earn in 48 weeks taking care of
pets?
$10 x 48= $480
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28 x 102=2,800
28 x 103= 28,000
What is the product of 28 x 104?
Explain the pattern.
28 x 102=2,800
28 x 103= 28,000
What is the product of 28 x 104?
Explain the pattern.
28 x 102=2,800 = 28 x 100
28 x 103= 28,000 = 28 x 1,000
What is the product of 28 x 104?
28 x 10,000
Explain the pattern. The exponent is the
number of zeros in the power of 10 as
well as the number of 10’x to be used as
factors.
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What happens to the decimal point in a
number when the number is divided by
10?
A. The decimal moves one place to the
left.
B. The decimal moves two places to
the left.
C. The decimal moves one place to the
right.
D. The decimal moves two places to
the right.
What happens to the decimal point in a
number when the number is divided by
10?
*A. The decimal moves one place to
the left.
B. The decimal moves two places to
the left. Dividing by 100
C. The decimal moves one place to the
right. Multiplying by 10
D. The decimal moves two places to
the right. Multiplying by 100
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Michael buys 4 beyblades that
cost $1.50 each. He gives the
clerk a $10 bill. Write an
expression that represents the
amount of change he will
receive.
Michael buys 4 beyblades that
cost $1.50 each. He gives the
clerk a $10 bill. Write an
expression that represents the
amount of change he will
receive.
4 x $1.50 = $6.00
$10 – $6 = $4.00