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Place Value
Millions
Estimation
Multiplying and Dividing by 10's, 100's, and 1,000's
Addition & Multiplication Properties, and Order of Operations
100
Name the highest place value in the following number: 73,328,719
The highest place value is the ten millions.
100
Round the following number to the millions place: 129,589,427
130,000,000
100
What are four reasons why we use estimation?
- Save time - Safe effort - Calculations/save money - Helps us catch mistakes
100
Name the dividend, divisor, and quotient in the following division problem: 32 ÷ 4 = 8
32 - Dividend 4 - Divisor 8 - Quotient
100
63 ÷ 9 + 20 ÷ 10 =
63 ÷ 9 + 20 ÷ 10 = 7 + 20 ÷ 10 = 7 + 2 9
200
What is place value? Why do we NEED place value?
Place value is the amount a digit stands for given its position or place in a number. Place value allows us to form ANY multi-digit number.
200
One million cars lined up front to back would reach from our school to where?
Chicago, Illinois
200
WHEN do we use estimation?
We use estimation when the exact answer is not necessary, especially when we need the answer quickly.
200
Use the "Quick Trick" in order to solve the following problem: 3,800 x 300,000 =
3,800 x 300,000 = 38 x 3 = 114 1,140,000,000
200
Which of the following properties is being modeled: 75 + 3 = 3+75
Commutative Property of Addition
300
Explain why 257 is not a digit.
257 is not a digit because digits are the single numerals 0-9. 257 is a multi-digit number.
300
How many ten dollar bills do you need to have $5 million dollars.
500,000 ten-dollar bills
300
Use rounding to estimate to the following problem: 1488 ÷ 3 ≈
1488 ÷ 3 3: 3, 6, 9, 12, 15, 18 1,500 ÷ 3 = 15 ÷ 3 = 500 1488 ÷ 3 ≈ 500
300
Use the "Quick - Trick" to solve the following problem: 500 x 80,000 =
500 x 80,000 = 5 x 8 = 40 40,000,000
300
16 + (9-3) x 5 =
16 + (9-3) x 5 = 16 + 6 x 5 = 16 + 30 = 46
400
How many one hundred dollar bills would you need to have $840,000,000?
You would need 840,000 hundred dollar bills.
400
On average of one number per second it would take how many days to count to one million?
12 days.
400
Use rounding to estimate the following problem: 125 x 64 ≈
125 x 64 ≈ 100 x 60 = 1 x 6 = 6 6,000 125 x 64 ≈ 6,000
400
Use the "Quick-Trick" method to solve the following problem: 95,000,000 ÷ 5,000 =
95,000,000 ÷ 5,000 = 95,000 ÷ 5 = 95 ÷ 5 = 19 19,000
400
52 - 35 ÷ 7 - 7 x 2 =
52 - 35 ÷ 7 - 7 x 2 = 52 - 5 - 7 x 2 = 52 - 5 - 14 = 47 - 14 = 33
500
7,000 is ____ times more than 700, _____ times more than 70 and ____ times more than 7.
7,000 is 10 times more than 700, 100 times more than 70 and 1,000 times more than 7.
500
Write the following number in expanded form: 9,785,209
9,000,000 + 700,000 + 80,000 + 5,000 + 200 + 0 + 9 = 9,785,209
500
Use rounding to estimate the following problem: 2,592 + 216 ≈
2,592 + 216 ≈ 2,592 + 200 2,600 + 200 = 2,800 2,592 + 216 ≈ 2,800
500
Use the "Quick-Trick" method to solve the following problem: 3,000 ÷ 20 =
3,000 ÷ 20 = 300 ÷ 2 = 30 ÷ 2 = 15 150
500
Which of the following properties is being modeled: 5+0=0+5=5
Additive Identity