Standard, Written and Expanded Form
Rounding
Addition and Subtraction
Perimeter
Mystery
100

What is this 365,406 in expanded form?

300,000 + 60,000 + 5,000 + 400 + 0 + 6

100

What is 943 rounded to the nearest ten?

940

100

543 + 389

932

100

A shape has the following side lengths: 3 m, 4 m, 7 m, and 9 m. What is the shape's perimeter?

23 m

100

What is standard form of this number: 400 + 30 + 5

435

200

What is 55,609 in written form?

fifty-five thousand, six hundred nine 

200

What is 398 rounded to the nearest hundred?

400

200

544 + 89

633

200

A square has side lengths of 5 cm. What is the shape's perimeter?

20 cm

200

655 + 206

861

300

What is this number in standard form? 300,000 + 0 + 0 + 400 + 20 + 0

300,420

300

What is 550 rounded to the nearest hundred?

600

300

302 - 178

124

300

A trapezoid has a perimeter of 20 yds. Three of the sides have the following lengths: 5 yd, 5 yd, and 8 yd. What is the missing fourth side?

2 yds.

300

What is the perimeter of a shape that has the following side lengths: 12, 2, 5, and 6?

25 units 

400

What is this number in standard form? nine hundred ninety-two thousand, six hundred forty-three 

992,643

400

What is 305 rounded to the nearest ten?

310

400

666 - 309

357

400

A rectangular book has a length of 4 cm and a width of 3 cm. Are the area and perimeter of the book the same or different? 

Different- the area is 12 square cm, and the perimeter is 14 cm

400

What is 790 rounded to the nearest ten?

790

500

What is this number in written form? 302,999

three hundred two thousand, nine hundred ninety-nine

500

What is 977 rounded to the nearest hundred?

1,000

500

800 - 284

516

500

A rectangle has a perimeter of 40 inches. The length is 15 inches. What is the width of the rectangle?

5 inches 

500

What is the difference between area and perimeter?

Area is the space INSIDE. Perimeter is the length AROUND.