UIL Number Sense

Rounding is the process of adjusting the digits of a number to make it simpler and easier to work with, often to the nearest ten, hundred, thousand, etc.

To round 958307 to the nearest thousand, look at the hundreds digit (3). Since it is less than 5, round down to 958000.

The result of 986 - 265 is 721.

Multiplication is a mathematical operation where a number is added to itself a certain number of times.

22 x 28 = 616.

5 x 222 = 1110.

Subtraction is a mathematical operation that represents the operation of removing objects from a collection.

646 - 124 = 522.

Addition combines numbers to get a total, while subtraction removes one number from another.

The commutative property states that changing the order of the numbers in an addition problem does not change the sum.