4th Grade Math

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Front

What does it mean to compare numbers using <, >, or =?

Back

Comparing numbers helps us understand their size relative to each other. '<' means less than, '>' means greater than, and '=' means equal.

Front

How do you calculate the total number of items when given groups?

Back

To find the total, multiply the number of groups by the number of items in each group. For example, if there are 9 groups with 7 items each, the total is 9 x 7 = 63.

Front

What is the value of a quarter in cents?

Back

A quarter is worth 25 cents.

Front

How do you convert dollars to cents?

Back

To convert dollars to cents, multiply the dollar amount by 100. For example, $1.00 = 100 cents.

Front

What is the total value of 3 quarters and 4 dimes?

Back

3 quarters = 3 x 25 cents = 75 cents; 4 dimes = 4 x 10 cents = 40 cents. Total = 75 + 40 = 115 cents or $1.15.

Front

How do you find the difference between two amounts of money?

Back

To find the difference, subtract the smaller amount from the larger amount. For example, if you have $1.15 and spend $0.50, the difference is $1.15 - $0.50 = $0.65.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities. It shows how many times one value contains or is contained within the other. For example, the ratio of 2 to 3 can be written as 2:3.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value. For example, rounding 252,348 to the nearest thousand gives 252,000.

Front

What is the process of estimating?

Back

Estimating involves making a rough calculation or judgment about a number or quantity. It helps to quickly assess the size or value without exact calculations.