4th Grade Daily Review 5

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 736,059 to the nearest hundred thousand gives 700,000.

Front

How do you find the total number of items when some are known?

Back

To find the total number of items, subtract the known quantity from the total. For example, if a cell phone company has 8,670 customers and 505 are in the U.S., then 8,670 - 505 = 8,165 customers live in other countries.

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 7 x 384 means adding 384 seven times, which equals 2,688.

Front

What is a sapling?

Back

A sapling is a young tree. In the context of the forest, after a fire, there were 4,749 saplings growing alongside the remaining trees.

Front

How do you calculate the total number of items after adding more?

Back

To calculate the total after adding more items, simply add the new quantity to the existing quantity. For example, if there are 7,547 trees and 4,749 saplings, the total is 7,547 + 4,749 = 12,296 trees.

Front

What is division in mathematics?

Back

Division is the process of splitting a number into equal parts. For example, if Vivian has 53 toys and can pack 7 toys in a box, she needs to divide 53 by 7 to find out how many boxes she needs.

Front

What is the result of 53 divided by 7?

Back

The result of 53 divided by 7 is 7 with a remainder of 4, which means Vivian needs 8 boxes to ship all her toys.

Front

What does it mean to find the nearest hundred thousand?

Back

Finding the nearest hundred thousand means rounding a number to the closest multiple of 100,000. For example, 736,059 rounded to the nearest hundred thousand is 700,000.

Front

What is the importance of understanding place value?

Back

Place value helps us understand the value of each digit in a number based on its position. For example, in 736,059, the '7' is in the hundred thousands place.

Front

What is an example of a word problem in mathematics?

Back

A word problem is a mathematical question presented in a narrative form. For example, 'Vivian has 53 toys to pack for shipping. How many boxes will she need?'