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ISAT Mathematics ReviewPowerPoint Presentation

ISAT Mathematics Review

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Area

What is the area of the triangle pictured below?

- 18 in²
- 6 in²
- 9 in²
- 12 in²

*Remember area of a triangle is 1/2xbxh*

Answer: c. 9 in²

A=(1/2)x3x6=9

*Rememberarea of a RECTANGLE is bxh*

Answer: d. 21 in²

A=7x3= 21 in²

What is the area of the rectangle below?

20 in²

17 in²

10 in²

21 in²

AREA7

3

AREA

- What is the area of this square?
- 32 cm²
- 16cm²
- 64cm²
- 48 cm²

- Rememberarea of a SQUARE is simply sxs
- Answer: c. 64 cm²
- A= 8x8= 64 cm²

8

8

Remember perimeter of a polygon is the sum of the sides

Answer: d. 28 ft

P= 8+5+6+4+1+4= 28ft

What is the perimeter of the figure below?

26 ft

18 ft

23 ft

28 ft

Perimeter8 ft

5 ft

6 ft

?

?

4 ft

Remember perimeter of a square is 4 x side length

Or in other words, Perimeter of a square =s+s+s+s

Answer: c. 40 m

P= 4 x 10 = 40 m

What is the perimeter of this square?

a.100 m

b. 20 m

c. 40 m

d. 50 m

Perimeter10 m

Mean, Median, and Mode

- Answer: c. 91
- Mean is normal average
Add all of the data together

(90+87+95+96+93+88+88)=637

Divide by number of things you added together

637/7=91

Beth recorded the highest temperature for seven days

90, 87, 95, 96, 93, 88, 88

What is the mean (average) temperature?

- 88
- 90
- 91
- 96

Mean, Median, Mode

- Answer: b. 90
- Median is the middle number of the set
- Good strategy:
- Write your data in order from smallest to largest
87, 88, 88, 90, 93, 95, 96

- What number is in the middle? 90

- Write your data in order from smallest to largest

Beth recorded the highest temperature for seven days

90, 87, 95, 96, 93, 88, 88

What is the Median of the temperatures?

- 88
- 90
- 91
- 96

Mean, Median, Mode

- Answer: a. 88
- Mode is the number that is repeated most often!
- 88 is the only temperature that occurs more than once

Beth recorded the highest temperature for seven days

90, 87, 95, 96, 93, 88, 88

What is the mode of the temperatures?

- 88
- 90
- 91
- 96

GOOD LUCK!

Think hard and do your best!

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