UIL Number Sense

Front

What is rounding in mathematics?

Back

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.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round 958307 to the nearest thousand?

Back

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

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the result of 986 - 265?

Back

The result of 986 - 265 is 721.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is multiplication?

Back

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

Tags

CCSS.3.OA.A.1

Front

What is 22 x 28?

Back

22 x 28 = 616.

Tags

CCSS.4.NBT.B.5

Front

What is the product of 5 and 222?

Back

5 x 222 = 1110.

Tags

CCSS.4.NBT.B.5

Front

What is subtraction?

Back

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

Tags

CCSS.4.NF.B.3A

Front

What is 646 - 124?

Back

646 - 124 = 522.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between addition and subtraction?

Back

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

Tags

CCSS.1.OA.A.1

Front

What is the commutative property of addition?

Back

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

Tags

CCSS.1.OA.B.3