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Ln3&4

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Unknown Numbers in Addition, Subtraction, Multiplication, Division; Number Line and Sequences

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• Ln3&4

1. 1. Problem of the Day Simon sees seven dots on three faces of a standard number cube (dice). Find the number of dots on the faces he cannot see.
2. 2. Unknown Numbers in Addition, Subtraction, Multiplication, Division Lesson 3
3. 3. Answers to WP 2 2. \$0.04; 4 cents 16. 27 4. subtraction 18. \$37.50 6. 5x3=15, 3x5=15, . . . 20. 2639 8. \$5.21 22. 56,000 10. \$3.75 24. 120 12. \$4.37 26. \$13.50 14. 207 28. 15, 54, 6, 21 30. dividend/ divisor=quotient
4. 4. LN 3: Unknown Numbers How do you use what you know to find out what you don’t know? Thinking Blocks
5. 5. LN 3: Unknown Numbers Vocabulary equation
6. 6. LN 3: Unknown Numbers If we have an addition equation, how do you find an unknown? If we have an subtraction equation, how do you find an unknown? If we have an multiplication equation, how do you find an unknown? If we have an division equation, how do you find an unknown?
7. 7. LN 3: Unknown Numbers Find the unknown in the equations: x + 53 = 75 x - 24 = 17 3y = 24 x/5 = 7
8. 8. Number Line and Sequences Lesson 4
9. 9. Vocabulary compare comparison symbol geometric sequence integers negative numbers number line origin perfect squares positive numbers sequence terms
10. 10. Did You Know..... Like God, the number line also has no formal beginning, because there are an infinite number of negative numbers that are smaller than zero, just as there are also an infinite number of fractions between zero and one. In the same way that God Himself is without end, so too is there no formal end to the number line.
11. 11. Number Line and Sequences Sketch a number line on your paper showing the origin, tick marks, and integers. Plot the points corresponding to the numbers 0, 1, -2, -5 on the number line. What will always be true when you plot numbers on a number line? Show 4 + 1 on a number line. Show 2 - 6 on a number line.
12. 12. Number Line and Sequences What is the rule for this sequence: 1, 4, 9, 16, ...? Find the next three terms in the sequence. Using five terms, show an arithmetic sequence. Using five terms, show a geometric sequence. Using the rule k = 3n, find the first four terms.
13. 13. Practice/Homework Use digits and other symbols to write “The sum of 2 and 3 is less than the product of 2 and 3.” Replace the square with the proper comparison symbol: 3-4☐4-3 Simplify: 436 - 630 Use words to describe the rule of the following sequence. Then find the next three terms: 1, 2, 4, 8, ... The rule of a certain sequence is k = (2n) - 1. Find the first four terms of the sequence.
14. 14. Practice/Homework Use digits and other symbols to write “The sum of 2 and 3 is less than the product of 2 and 3.” Replace the square with the proper comparison symbol: 3-4☐4-3 Simplify: 436 - 630 Use words to describe the rule of the following sequence. Then find the next three terms: 1, 2, 4, 8, ... The rule of a certain sequence is k = (2n) - 1. Find the first four terms of the sequence. Homework: page 30 (1-30 evens)