Ari And Yara's Chapter 8

One step word problems

100

If there is a rectangle with the length of 4 units and a width of 6mm what's the perimeter?

20mm (if you miss millimeters no points for you)

200

If there is a square with a length of 3 units what is the area?

9 units²  (if you miss units squared no points for you)

300

Find the perimeter of a circle with a diameter of 10ft.

31.4 ft (if you miss ft no points for you)

400

Find the area of a triangle with a base of 4cm and height of 12cm

24cm² (if you miss centimeters no points for you)

500

Find the perimeter of a parallelogram with a side of 8in and a base of 7in

30in (if you miss inches no points for you)

Two step word problems

100

A circle has the radius of 3ft. Find the perimeter. Round to the nearest whole number.

19ft

200

A circle has the radius of 3ft. Find the area. Round to the nearest whole number.

28²ft (if you miss feet no points for you)

300

A circular sinkhole has a circumference of 75.36 meters a week later it has a circumference of 150.42 meters.

A) Estimate the diameter of the sinkhole each week.

B) how many times greater is the diameter of the sinkhole now compared to the previous week?

A) about 25m;about 50 m

B) about 2 times greater

400

The circumference of the roll of caution tape decreases 10.5 inches after a construction worker uses some of the tape. Which is the best estimate of the diameter of the roll after the decrease?

A) 5in   B) 7in   C) 10in    D) 12in

C) 10in

500

A semicircle is one half of a circle. find the perimeter of the semicircular region. The straight side is 6 meters long.The distance around the curved parts is one half the circumference of a circle with a diameter of 6 meters.

The perimeter is about 15.42 meters. (if you miss meters no points for you)

Vocabulary

100

A ____ is one-half of a circle

semicircle

200

What's two ways to write PI?

3.14 and 22/7

300

What's the formula for finding the area of a circle? 

3.14(r²)

400

What's the formula for the circumference of a circle?

C=3.14d

500

What is a composite figure?

combining two or more basic shapes

Basic computation

100

Find the area and circumference of circle with a diameter of 5 round the the nearest whole number 

20 units²  ( if you don't say units² no points for you) :)

200

Find the circumference of a circle with a radius of 20cm

1,256cm (if you miss centimeters no points for you)

300

Find the area of a triangle with a base of 12in and an height of 6in

36in² (if you miss inches no points for you)

400

find the area of a parallelogram that has a base of 15in and a height of 20in

300in² (if you miss inches no points for you)

500

Find the perimeter of the semicircle region. The diameter is 2ft. round to the nearest tenth

5.1 feet (if you miss inches no points for you)

Multi step computation

100

The diameter of a semicircle is 18mm find the perimeter of the semicircle. round to the nearest whole number

46mm (if you miss the measurement no points for you)

200

The radius of a semicircle is 15m find the area of the semicircle. Round to the nearest whole number.

353m² (if you miss the measurement no points for you)

300

The diameter of a semicircle is 7ft find the area of the semicircle. Round to the nearest tenth.

19.2ft² (if you miss the measurement no points for you)

400

The diameter of a semicircle is 100mm find the perimeter of the semicircle. round to the nearest whole number.

257mm (if you miss the measurement no points for you)

500

The raduis of a semicircle is 35.46ft find the perimeter and the area of the semicircle. round the the nearest whole number

35ft (if you miss the measurement no points for you)