7th Math Final Benchmark: Part 3

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Presentation transcript:

7th Math Final Benchmark: Part 3

Hint: A protractor is used to measure angles. A ruler is used to measure distance. Choices: Protractor Ruler

Hint: Find the area and perimeter of the square using the 9 cm. Multiply both of them by 8 to find the actual perimeter and area.

Hint: Divide the 8 and 2 to get the difference in scale. Multiply the 4 by the number you got in step 1 to get the answer.

Hint: Use the formula C = 2r Remember to round!

Hint: Divide the 6 by two to get the radius. Use the formula A = r2 Remember to round!

Hint: These are vertical angles. Vertical angles are equal to each other. Once you set up the equation, solve for x.

Hint: The two angles add up to equal 90. Once you set up the equation, remember to combine the whole numbers before solving for x.

Hint: Find the area of the triangle using the formula A =bh/2 Find the area of the square using the formula A =lw Add the two areas together.

Which is greater, 0.08, or 9/20? Hint: Convert the 9/20 into a decimal by dividing the top number by bottom number. Compare the two decimals to see which is bigger.

Hint: Use the formula I = Prt to find the interest. P is the amount of money, r is the percent as a decimal, and t is the number of years. When you have the interest, add it to the 400 to get the balance.

Hint: Convert the 50% into a decimal and multiply it with the 98 to get the amount off. Subtract 98 and the number you got in step 1 to get the sale price.

Hint: Subtract the 53 and 48. Divide by 48. Multiply by 100. Don’t forget to round!

Hint: Subtract the 48 and 36. Divide by 36. Multiply by 100. Don’t forget to round!

Hint: 1. Move the decimal point two spots to the left.

Hint: 1. Move the decimal point two spots to the right.