UIL number sense practice

Front

What is the sum of 215 and 26?

Back

241

Front

What is 625 divided by 25?

Back

25

Front

What is the sum of the first 10 odd numbers (1 + 3 + 5 + ... + 19)?

Back

100

Front

Round 356739 to the nearest thousand.

Back

357000

Front

What is 24 plus 12 divided by 4?

Back

27

Front

What is the definition of addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is the definition of division?

Back

Division is the process of splitting a number into equal parts or groups.

Front

What is the formula for finding the sum of an arithmetic series?

Back

The sum S of the first n terms is given by S = n/2 * (first term + last term).

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby specified value, often to make it simpler or easier to work with.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often remembered as PEMDAS.