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The ideas in this multiplication lesson are taken from Division 2 ebook. Only a few examples of each problem type are shown; you should make more problems of each kind for the student. Review of Multiplication and Division topics
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The order of operations is
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1. Multiply, divide, add, and subtract.
| a. 970 2 �10 �45
b. 256 + 0 �2 �9 c. 118 + 206 �/font> 2
d. 100 56 �/font>
7 9 |
e. 170 + 20 �2 �5 + 405
f. 12 �1 �2 �9 + 300 g. 654 �/font>
6 + 135 �/font> 9
h. 664 �/font>
8 78 + 234 |
2. Multiply mentally. What is the easy rule for these?
| 10 �78 = ____
10 �19 = ____ 10 �56 = ____ 10 �10 = ____ 10 �41 = ____ |
10 �34 = ____
40 �11 = ____ 9 �40 = ____ 8 �90 = ____ 12 �60 = ____ |
3. Continue the patterns.
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a. 150 �10 = 200 �10 = 250 �10 =
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d. 140 �7 = 160 �8 = 180 �9 =
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4. Multiply by breaking the second number (second factor) down into tens and ones. Multiply separately using the distributive property, and add.
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5. Multiply. Do any work you need to in your notebook. Continue the patterns, and try to find an easier way to continue the pattern without tedious multiplication work.
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108 �nbsp;7 109 �nbsp;7 110 �7
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17 �nbsp;11 18 �nbsp;11 19 �nbsp;11 |
9 �nbsp;19 9 �nbsp;29 9 �nbsp;39 |
6. Do the word problems in your notebook. Write a number sentence for each.
a) The hat store has 252 hats. The hat store has nine shelves to put hats on display, and on each shelf can be put 7 hats. How many hats can they put on display? How many hats cannot be put on display?
b) The hats in storage (those not on display) are stored in 9 big boxes, each box having equal number of hats. How many hats are in each box?
h) Kathy has 40 dollars to spend for gifts. She buys one gift for 12 dollars, and another one for 7 dollars. The rest of the money she divides between three people and gives as money. How much will those people get?
i) Nicky has a board that is 184 centimeters long. He needs to cut it into 8 equal pieces. How long will those pieces be?
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Numbers that are
divisible by 2 are called EVEN NUMBERS. |
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Numbers that are divisible by 5 end in (the last digit is) either __ or __. |
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Numbers that are divisible by 10 end in (the last digit is) __. |
| Numbers that are ONLY divisible by 1 and the number itself are called prime numbers. |
7. Indicate if the following numbers are divisible by 2, 5, or 10.
| divisible | divisible | divisible | |||||||||
| number | by 2 | by 5 | by 10 | number | by 2 | by 5 | by 10 | number | by 2 | by 5 | by 10 |
| 670 | 848 | 736 | |||||||||
| 382 | 350 | 928 | |||||||||
| 702 | 235 | 500 | |||||||||
| 805 | 900 | 444 | |||||||||
8. Divide using long division. Indicate the remainder if there is any. Each problem carries a letter. Organize the letters according to the remainders in each problem from least to greatest to find out the answer to the question:
[available in the ebook]
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What are these two numbers? They are both less
than 100. If divided by 5, 4 or 2, they
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