MS Math - Ms. Anna 2015-16

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Transcript MS Math - Ms. Anna 2015-16

Do Now
Q1
 Get
a purple MATH textbook from the
bookshelf.
 Chose a seat and sit down.
 Write your preferred name on the white
strip of paper.
 Complete ‘Minute 1’ assignment.
 Turn
in your signed syllabus
 Review prerequisite skills
 Page 2: 1-16
 Study vocabulary lessons 1.1/1.2
 Presentations:
Me, By the Numbers
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Complete Minute 2
Evaluate the expression for the given value.
1. z + 9 when z = 12
2. 6n when n = 7
Evaluate the expression when x = 3 and y = 9.
3. y – x
4. y/x
5. Celia is preparing for a power walking competition. The
expression 5t gives the number of miles that she power
walks in t hours of practice. How many miles does Celia
power walk when practicing for 2 hours?
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Preview vocabulary 1.3/1.4
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Me, By the Numbers presentations
Evaluate the expression.
 1. 4 + 32
 2. 18 ÷ (9 – 4 + 1)
 Evaluate the expression when x = 3 and y = 5.
 3. 8 – x + y
 4. (y – x)3
 5. You spend $12 on each of the 25 flower
arrangements you make to sell at a fair. It costs
$25 to rent a booth. What is the total cost of the
25 arrangements and the booth?
 Page 24: 1 – 7 (with a partner)
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Tell whether the given value of the variable is a
solution of the equation.
 1. 8n = 72; n= 8
 2. 13 = x – 3; x= 10
 Solve the equation using mental math.
 3. m + 2 = 18
 4. (y/10) = 5
 5. The world’s highest cog railroad climbs about 9 miles
to the summit of Pikes Peak in Colorado. The train
averages about 3 miles per hour. Use the equation 3t =
9 to find how long the train ride to the summit takes.
 Page 31: 1-10 (you may work with a partner)
 Singapore Math: Alex spent 3/7 of his money. He gave
¼ of the remainder to his sister. He had $120 left. How
much did he have in the beginning?
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 Page
41: 1-7
 Page 42: 1,2,6
 Singapore Math: Lauren saved $84 more than
Fiona. 1/5 of Lauren’s savings was the same
as 3/8 of Fiona’s savings. How much did
Lauren and Fiona save altogether?
 Finish
your test
 Prerequisite Skills (page 54 all)
 Look at vocabulary definitions
 Singapore
Math: A sum of money was divided
among Jess, Adrian, and Mary in the ratio
4:3:5 respectively. Mary received $175.
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(a) How much more money did Jess receive than
Adrian?
(b) What was the sum of the money?
1. What is the place value of the digit 4 in the
number 35.243
 2. Copy and complete the statement using <, >, or =.
 7.8 _ 7.37
 3. Order 0.55, 0.05, 0.51, and 0.5 from least to
greatest.
 4. Round 22.0781 to the nearest thousandth.
 5. One brand of olive oil costs $0.406 per ounce and a
second brand costs $0.28 per ounce. Which is the
cheaper unit price?
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Page 59: 46 – 52
 Singapore Math: 840 stickers were given to 42
children. 2/3 of the children were boys, and each of
them received the same number of stickers. Each girl
received twice as many stickers as each boy. How
many stickers did each girl receive?
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Quiz after lesson 2.4
Find the product.
1. 0.3 x 0.875
2. 0.84 x 9
3. 72.5 x 6.82
4. Estimate the product 19.67 x 3.6 by rounding each
factor to the place value of the leading digit.
5. The top of a desk is a rectangle 8.36 feet long and 4.5
feet wide. Find the area of the desktop.
Page 70: 57 – 65
Singapore Math: Mrs. Suarez bought 3 pairs of jeans and 5
shirts for $441. If each pair of jeans cost 2/3 as much as
each shirt,
(a) What was the price of each pair of jeans?
(b) What was the price of each shirt?
 Find
the quotient. Then check your answer.
 1. 456.5 divided by 55
 2. 8 divided by 2.5
 3. Find the quotient of 0.742 divided by 2.4.
Round your answer to the nearest hundredth.
 Page 77: 1-4
 Singapore
math: Mr. Cohen’s monthly salary
was $2,300 in December. His monthly salary
increased by 15% in January. What was his
salary in January?
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1. Estimate the width of your thumbnail. Then measure
the nail’s width using a metric ruler.
Copy and complete the statement using an appropriate
metric unit.
2. the width of a textbook is 21 ___.
3. the mass of the water in a tabletop aquarium is 60
___.
4. chose the letter of the most reasonable measurement
of the capacity of a washing machine.
A. 72L
B. 900L
C. 7kL
Pg 89: 52 – 67
Singapore math: A salesman earns $80 for every
computer he sells. He earns an additional $250 for every
10 computers he sells that month. How many computers
does he need to sell in order to earn $2,340 in a month?
Copy and complete the statement
1.
6.83 m = ___cm
2.
59,900mL = ___kL
Copy and complete the statement using <,>, or =.
3. 5.4 kg__4500g
4. 246.7 m ___ 3 km
5. A path is 1.2 kilometers long. Forty-one equally-spaced
trees are planted along the path with the first tree at
the beginning and the last tree at the end. What is
the distance between any two consecutive trees?
Page 95: 1-8
Singapore Math: Mr. Williams paid $1,250 in cash for a
new television set. If he had bought it using the
store’s payment plan, he would have had to pay a
deposit of $350 and 9 monthly installments of $150.
How much money did he save by paying in cash?
 Finish
test
 Page 108: 1-13
 Singapore
Math: Mrs. Gorski bought a table
and 6 chairs for $980. The table cost $524.
Find the cost of 2 tables and 8 chairs.
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Play fortune teller game with partner (10 minutes)
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1. Nine students llisted the number of CD’s they bought
last year: 8, 2, 2, 1, 7, 7, 10, 2, and 15. Find the mean,
median, and mode of the data.
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Page 114: 32-34,39-43
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Singapore Math: A shopkeeper had 410 tangerines. He
put some of them into 15 cartons containing 12
tangerines each. He then put the rest into 14 cartons,
each containing the same number of tangerines.
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A. How many tangerines were in each of the 14 cartons?
B. How many tangerines were left?
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Test redo
 Homework
questions?
 Finish Skittles bar graph posters (~10 min)
 The
data below represent the test scores of
18 students.
 82, 77, 78, 85, 68, 96, 80, 90, 71, 60, 97, 75,
74, 70, 83, 89, 80, 77
 1. what is the median score?
 2. what are the lower and upper quartiles?
 3. Draw a box-and-whisker plot of the data.
 4.
page 131: 1-6, 8
 Prepare for the quiz
 When
you are finished, turn your quiz into
the back and preview 3.5
1. Miles traveled each day:
 22, 26, 44, 20, 13, 19, 25, 25, 31, 35, 15, 27, 19,
16, 23, 39, 38, 28
 Complete a frequency table of the data using the
intervals 10-19, ____, 30-39, ____.
 Draw a histogram of the data.
 2. would you use a bar graph or a stem-and-leaf
plot to display the ages of 30 people buying a
movie ticket? Explain.
 Page 149: 1-5
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Prepare for chapter 3 Test
 When
you are finished with the test, work on
your quiz redo.
 Complete
Chapter 3 Test (10 min)
 Page 164: Prerequisite Skills
 1-17
Test redo
 1. write all the factors of 48
 2. write all the factors of 52
 3. tell whether 71 is prime or composite
 4. tell whether 72 is prime or composite
 5, write the prime factorization of 50
 6. write the prime factorization of 32
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Singapore Math: Mrs. Sanders had 80 coins. Some
of them were 1-dollar coins, and the rest were
0.50 coins. The total amount added up to $50.
How many coins of each kind were there?