Math NC Check-in #3

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

How do you calculate the total number of blocks used in a LEGO tower?

Back

To find the total number of blocks used in a LEGO tower, multiply the number of stories by the number of blocks per story. For example, if there are 163 stories and 71 blocks per story, the total is 163 x 71 = 11,573 blocks.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction. For example, 1 1/3 is a mixed number, where 1 is the whole number and 1/3 is the fraction.

Front

How do you find the total amount of ingredients needed for multiple items?

Back

To find the total amount of ingredients needed for multiple items, multiply the amount needed for one item by the number of items. For example, if 1 1/3 cups of sugar is needed for one cake, for 3 cakes, it would be 1 1/3 x 3 = 4 cups.

Front

What is division?

Back

Division is a mathematical operation where a number is split into equal parts. For example, dividing 16.95 pounds of fabric among 3 sisters means finding out how much each sister gets: 16.95 ÷ 3 = 5.65 pounds.

Front

How do you calculate the cost of items based on weight?

Back

To calculate the cost of items based on weight, multiply the price per pound by the total weight. For example, if bananas cost $0.68 per pound and you buy 4.5 pounds, the cost is 0.68 x 4.5 = $3.06.

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

How do you compare fractions?

Back

To compare fractions, you can find a common denominator or convert them to decimals. For example, to compare 2/3 and 4/5, you can convert them to decimals: 2/3 = 0.67 and 4/5 = 0.80.

Front

What is the process of finding a fraction of a number?

Back

To find a fraction of a number, multiply the number by the numerator and then divide by the denominator. For example, to find 2/3 of 12, calculate (2 x 12) ÷ 3 = 8.

Front

What is the importance of understanding ratios?

Back

Understanding ratios helps in comparing quantities and understanding relationships between different amounts. For example, if there are 2 apples for every 3 oranges, the ratio is 2:3.