Thanksgiving Math

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. It often involves increasing or decreasing the number to the nearest specified place value.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or greater, round up by adding 1 to the tens place. If it is less than 5, round down by keeping the tens place the same.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the result of rounding 78 to the nearest ten?

Back

80

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If Barry has 56 plates and uses 30, how do you find the number of plates left?

Back

To find the number of plates left, subtract the number of plates used from the total number of plates: 56 - 30 = 26.

Tags

CCSS.2.OA.A.1

Front

What is the subtraction operation?

Back

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

Front

What is the result of 56 - 30?

Back

26

Tags

CCSS.2.NBT.B.5

Front

What is multiplication in mathematics?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. It combines groups of equal sizes.

Tags

CCSS.3.OA.A.1

Front

What is the product of 7 and 8?

Back

56

Tags

CCSS.3.OA.C.7

Front

How do you round the number 31 to the nearest ten?

Back

Look at the ones place (1). Since it is less than 5, round down to 30.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the result of rounding 31 to the nearest ten?

Back

30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3