Podcast
Questions and Answers
N - 56,728 = 18,254
N - 56,728 = 18,254
74,982
The band sold 52,430 tickets in total for two concerts. If 27,098 tickets were sold for the first concert, how many tickets were sold for the second concert?
The band sold 52,430 tickets in total for two concerts. If 27,098 tickets were sold for the first concert, how many tickets were sold for the second concert?
25,332
N - 38,471 = 12,349
N - 38,471 = 12,349
50,820
The library had 67,825 books. After a recent donation drive, they gave away 25,483 old books. How many books does the library now have?
The library had 67,825 books. After a recent donation drive, they gave away 25,483 old books. How many books does the library now have?
N - 72,309 = 44,567
N - 72,309 = 44,567
Alex had $42,739 in his savings account. He withdrew $15,684 to pay for home repairs. How much money does Alex have left in his savings?
Alex had $42,739 in his savings account. He withdrew $15,684 to pay for home repairs. How much money does Alex have left in his savings?
N - 64,281 = 33,671
N - 64,281 = 33,671
A basketball team sold 24,367 tickets for the first game and 19,782 tickets for the second game. How many tickets were sold in total for both games?
A basketball team sold 24,367 tickets for the first game and 19,782 tickets for the second game. How many tickets were sold in total for both games?
8 ten-thousands, 4 thousands, ? hundreds, 6 tens, and 9 ones = 84,469
8 ten-thousands, 4 thousands, ? hundreds, 6 tens, and 9 ones = 84,469
7 ten-thousands, 2 hundreds, 3 tens, and 7 ones = 72,037
7 ten-thousands, 2 hundreds, 3 tens, and 7 ones = 72,037
5 ten-thousands, 9 thousands, 4 hundreds, and 1 one = 59,441
5 ten-thousands, 9 thousands, 4 hundreds, and 1 one = 59,441
6 ten-thousands, 3 thousands, 0 tens, and 0 ones = 63,000
6 ten-thousands, 3 thousands, 0 tens, and 0 ones = 63,000
7 ten-thousands, 3 thousands, 5 hundreds, 6 tens, and 2 ones
7 ten-thousands, 3 thousands, 5 hundreds, 6 tens, and 2 ones
4 ten-thousands, 9 thousands, 2 hundreds, 1 ten, and 7 ones
4 ten-thousands, 9 thousands, 2 hundreds, 1 ten, and 7 ones
72,641
72,641
Which shows the value of these number cubes?
Which shows the value of these number cubes?
Which shows the value of these cubes?
Which shows the value of these cubes?
Flashcards
Subtraction Equation with Missing Number
Subtraction Equation with Missing Number
A problem where you are given a starting number ("n") and a smaller number to subtract, and you need to find the difference.
Finding a Missing Amount
Finding a Missing Amount
When you are given the total amount of tickets sold for two events and the amount sold for one event, subtracting the known amount from the total finds the remaining number.
Place Value
Place Value
The place value of a digit in a number determines its value. For example, in 63,458, the "4" is in the hundreds place.
Word Form
Word Form
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Expanded Form
Expanded Form
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Number Cube Model
Number Cube Model
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Difference
Difference
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Number Cube Values
Number Cube Values
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Number Cube Value in Expanded Form
Number Cube Value in Expanded Form
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Unit Cubes to Represent Number
Unit Cubes to Represent Number
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Study Notes
Do Now Problems
- Problem 1: Find 'n' if n - 56,728 = 18,254. Answer: n = 74,982
- Problem 2: A band sold 52,430 tickets total for two concerts. If 27,098 were sold at the first concert, how many were sold at the second? Answer: 25,332 tickets
- Problem 3: Find 'n' if n - 38,471 = 12,349. Answer: n = 50,820
- Problem 4: A library had 67,825 books. 25,483 were removed. How many are left? Answer: 42,342 books
- Problem 5: Find 'n' if n - 72,309 = 44,567. Answer: n = 116,876
- Problem 6: Alex had $42,739 in savings. He spent $15,684. How much is left? Answer: $27,055
- Problem 7: Find 'n' if n - 64,281 = 33,671. Answer: n = 97,952
- Problem 8: A basketball team sold 24,367 tickets for one game and 19,782 for another. What's the total? Answer: 44,149 tickets
Place Value Directions
- Example: 6 ten-thousands, 3 thousands, ? hundreds, 5 tens, and 8 ones = 63,458. Answer: 4 hundreds
- Directions: Find the missing place value to complete the number. Give answers.
- a) 8 ten-thousands, 4 thousands, 6 tens, and 9 ones = 84,469 Answer: 6 hundreds
- b) 7 ten-thousands, 2 hundreds, 3 tens, and 7 ones = 72,037
- c) 5 ten-thousands, 9 thousands, 4 hundreds, and 1 one = 59,441
- d) 6 ten-thousands, 3 thousands, 0 tens, and 0 ones = 63,000
Expanded Form and Standard Form Directions
- Directions: Use number cubes (thousands, hundreds, tens, and ones) to represent the numbers below. Write the number in standard form, word form, and expanded form (different problems from expanded form above).
Challenge Problems
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Challenge 1: Write your own number in expanded form, then build it using number cubes.
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Challenge 2: Draw a number cube model for each of the following numbers.
- a) 72,641
- b) 59,804
- c) 84,320
- d) 91,758
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Challenge 3: Swap number cube models with a partner, and write down standard form, expanded form, and word form based on the partner's model.
Exit Ticket
- Problem 1: Which shows the value of these number cubes? (Image of number cubes provided) Answer is needed for this problem and is not found in the text provided
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