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7th Math 2.9 A (combined with 2.8 this year, 21-22. DO NOT ASSIGN)

Last updated about 3 years ago

6 Nsɛmmisa

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Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Do Now
Our Exit Ticket from last time was quite tricky. There are two student responses in the SYW section. Where do you see mistakes? How would you fix the errors?

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Example 2)
Evaluate the following expression.
1.25-3+2.50-(-0.25)
CFS:
#1: Appropriately uses properties of operations to rewrite expression
#2: Accurately evaluates expression

In case you missed notes...

There are 2 key things today:

1) Subtracting a negative is still just the same as adding the positive version of that number

2) Look for numbers that make 0 (additive inverses) or whole numbers

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Asemmisa {{asɛmmisaAhyɛnsode}}

3.

Evaluate the following expression.
20.3-(-1.5)+0.5-0.3
CFS:
#1: Appropriately uses properties of operations to rewrite expression
#2: Accurately evaluates expression

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

Evaluate the following expression.
1.3+7-4+2.7
CFS:
#1: Appropriately uses properties of operations to rewrite expression
#2: Accurately evaluates expression

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

SPICY--Try if you have time.
Evaluate the following expression.
-24+\frac{1}{2}-12.5
CFS:
#1: Appropriately uses properties of operations to rewrite expression
#2: Accurately evaluates expression

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

Evaluate the following expression.
-9.5-(-8)-6.5
CFS:
#1: Appropriately uses properties of operations to rewrite expression
#2: Accurately evaluates expression