Adding Three-Digit Numbers

Front

What is a three-digit number?

Back

A three-digit number is a number that has three places, representing hundreds, tens, and ones. For example, 165 is a three-digit number.

Tags

CCSS.2.NBT.A.3

Front

How do you add three-digit numbers?

Back

To add three-digit numbers, align the numbers by place value (hundreds, tens, ones) and add each column starting from the right.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 165 and 232?

Back

397

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If Silas has 328 beads and Carson has 124 beads, how many beads do they have in all?

Back

452

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 262 and 479?

Back

741

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

On Friday, 354 people went to the fair. On Saturday, 551 people went to the fair. How many people went to the fair in all?

Back

905

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 593 and 139?

Back

732

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does 'sum' mean in math?

Back

The 'sum' is the result of adding two or more numbers together.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in 165, the '1' is in the hundreds place, so it represents 100.

Tags

CCSS.4.NBT.A.1

Front

What is carrying in addition?

Back

Carrying is when the sum of a column exceeds 9, and you move the extra value to the next column on the left.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5