Spiral Review #2

Front

What is the equation to find the total number of items collected by multiple individuals?

Back

To find the total number of items collected by multiple individuals, multiply the number of items each individual collected by the number of individuals. For example, if each student collected 1,375 bottle caps and there are 5 students, the equation is 1,375 x 5 = Total.

Front

How is a decimal number expressed in expanded notation?

Back

A decimal number is expressed in expanded notation by breaking it down into the sum of each digit multiplied by its place value. For example, three and forty-eight hundredths is written as (3 x 1) + (4 x 0.1) + (8 x 0.01).

Front

What does the division sentence 12 ÷ 2 = 6 represent?

Back

The division sentence 12 ÷ 2 = 6 represents that when 12 is divided into 2 equal parts, each part is 6.

Front

How do you interpret a strip diagram in relation to an equation?

Back

A strip diagram visually represents parts of a whole and can be used to formulate an equation. For example, a strip diagram showing three segments with a total of 100 can be represented by the equation 33 + 44 + S = 100.

Front

What is the product of 9 and 7?

Back

The product of 9 and 7 is 63.

Front

What is the purpose of using multiplication in word problems?

Back

Multiplication is used in word problems to find the total when combining equal groups or to calculate the total amount collected or produced.

Front

What is the significance of place value in expanded notation?

Back

Place value is significant in expanded notation as it determines the value of each digit based on its position in the number, allowing for a clearer understanding of the number's composition.

Front

How can strip diagrams help in solving equations?

Back

Strip diagrams help in solving equations by providing a visual representation of the relationships between different quantities, making it easier to understand how to set up the corresponding equation.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations; knowing one can help solve the other. For example, if you know that 9 x 7 = 63, you can also say that 63 ÷ 9 = 7.

Front

How do you solve a multiplication problem involving multiple groups?

Back

To solve a multiplication problem involving multiple groups, multiply the number of items in one group by the number of groups. For example, if each group has 1,375 items and there are 5 groups, calculate 1,375 x 5.