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Subscribe to Homeschool Math Newsletter - filled with math teaching information  February 2010 newsletter
Latest from my blog This is where you'll find the latest happenings, news, & ideas in math teaching Math teaching videos My videos at YouTube show you how to teach concepts.
Divide decimals - why do we move the decimal point?
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The ideas in this lesson are taken from Math Mammoth Multiplication 1 book that I sell at MathMammoth.com. This lesson plan does not contain all the problems included in the Multiplication book. Multiplication and Addition
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The symbol × indicates multiplication. |
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There are five groups, and each group has two elephants. 5 × 2 = 10
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There are three groups, and each group has four dogs. 3 × 4 = 12
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1. Draw dots in groups to match the multiplications.
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a. 2 × 6 |
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2. Fill in the missing parts. Write a multiplication. You can solve it by adding.
1. a.
___ groups, ___ scissors in each. ____ × ____ scissors = ____ scissors ___ + ___ + ___ + ___ |
b.
___ groups, ___ rams in each. ____ × ____ rams = ____ rams ___ + ___ + ___ + ___ |
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c.
___ groups, ___ bears in each. ____ × ____ bears = ____ bears ___ + ___ + ___ |
d.
___ groups, ___ carrots in each. ____ × ____ carrots = ____ carrots ___ + ___ |
3. Write an addition and a multiplication sentence for each picture.
a.
___ + ___ + ___ + ___ + ___ = ____ ____ × ____ = ____ |
b.
____ × ____ = ____ |
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c.
___ + ___ + ___ = ____ ____ × ____ = ____ |
d.
____ × ____ = ____ |
4. Now it is your turn to draw. Draw balls or sticks. Write the multiplication sentence.
| a. Draw 3 groups of seven sticks.
____ × ____ = ____ | b. Draw 2 groups of eight balls.
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| c. Draw 4 groups of four balls. | d. Draw 5 groups of two balls. |
5. Draw a picture and solve the problems.
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Copyright 2003-2010 Maria Miller
http://www.homeschoolmath.net/
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