math

Front

How do you find the number of shelves needed if you have a total number of items and each shelf holds a specific number of items?

Back

Divide the total number of items by the number of items each shelf can hold. For example, if you have 144 baseballs and each shelf holds 12, you would calculate 144 ÷ 12 = 12 shelves.

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. For example, rounding 23.542 to the nearest tenth gives you 23.5.

Front

What is the multiplication strategy to solve 784 x 6?

Back

You can use the standard algorithm for multiplication or break it down into smaller parts. For example, 784 x 6 can be calculated as (700 x 6) + (80 x 6) + (4 x 6) = 4200 + 480 + 24 = 4704.

Front

How do you calculate the total number of items if you know the daily amount and the number of days?

Back

Multiply the daily amount by the number of days. For example, if Mary walks 18 miles every day for 21 days, you would calculate 18 x 21 = 378 miles.

Front

What is the formula to find the total number of shelves needed?

Back

Total number of shelves = Total items ÷ Items per shelf.

Front

What does it mean to round a number to the nearest tenth?

Back

Rounding to the nearest tenth means looking at the hundredths place to determine whether to round up or down. If the hundredths digit is 5 or more, round up; if it's less than 5, round down.

Front

What is the result of 784 x 6?

Back

The result is 4,704.

Front

If Lizzy has 140 dolls and each shelf holds 14 dolls, how many shelves does she need?

Back

She needs 10 shelves, calculated by 140 ÷ 14 = 10.

Front

How do you determine how many miles Mary will walk in three weeks if she walks 18 miles a day?

Back

Multiply the daily miles by the number of days in three weeks: 18 miles/day x 21 days = 378 miles.

Front

What is the process of division in finding how many groups can be made?

Back

Division helps determine how many equal groups can be formed from a total. For example, dividing 144 baseballs into groups of 12 gives you 12 groups.