Math 4 Today ~ Week 17 ~ Day 1

Front

What is expanded form?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, 721904 in expanded form is 700,000 + 20,000 + 1,000 + 900 + 4.

Front

How do you find the perimeter of a rectangle?

Back

To find the perimeter of a rectangle, add the lengths of all four sides. The formula is P = 2(length + width).

Front

What is the perimeter of a rectangle with a length of 60 mm and a width of 51 mm?

Back

The perimeter is 222 mm, calculated as P = 2(60 + 51).

Front

How do you divide a total into equal groups?

Back

To divide a total into equal groups, you divide the total number by the number of groups. For example, 352 divided by 8 equals 44.

Front

What is the value of the digit 2 in the number 721904?

Back

In the number 721904, the digit 2 is in the ten-thousands place, so its value is 20,000.

Front

What does it mean to split into groups?

Back

To split into groups means to divide a total number of items or people into smaller, equal parts.

Front

What is the width of a rectangle if the perimeter is 222 mm and the length is 60 mm?

Back

The width is 51 mm, calculated using the perimeter formula: 222 = 2(60 + width).

Front

What is the result of 352 divided by 8?

Back

The result of 352 divided by 8 is 44.

Front

What is the definition of a rectangle?

Back

A rectangle is a four-sided shape (quadrilateral) with opposite sides that are equal in length and four right angles.

Front

What is the expanded form of 721904?

Back

The expanded form of 721904 is 700,000 + 20,000 + 1,000 + 900 + 4.