Front

What is addition?

Back

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

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Tags

CCSS.2.OA.A.1

Front

What is a word problem?

Back

A word problem is a mathematical problem that is presented in the form of a story or real-life scenario.

Tags

CCSS.1.OA.A.1

Front

How do you solve a word problem?

Back

1. Read the problem carefully. 2. Identify the numbers involved. 3. Determine what operation (addition or subtraction) to use. 4. Solve the problem. 5. Check your answer.

Tags

CCSS.2.OA.A.1

Front

If a movie theater has 710 seats and 158 are red, how many seats are not red?

Back

552 seats are not red (710 - 158 = 552).

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

In a word problem, what does 'the rest' usually refer to?

Back

'The rest' refers to the remaining amount after accounting for the known quantities.

Tags

CCSS.3.OA.A.3

Front

What is the total number of seats in the theater if there are 247 black seats and 119 yellow seats?

Back

The total number of colored seats is 366 (247 + 119 = 366).

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If there are 710 seats in total and 366 are colored, how many seats are green?

Back

There are 186 green seats (710 - 366 = 186).

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean to find the 'difference' in subtraction?

Back

The 'difference' is the result you get when you subtract one number from another.

Tags

CCSS.1.OA.A.1

Front

What is a key step in solving addition problems?

Back

A key step is to line up the numbers by their place values (ones, tens, hundreds) before adding.

Tags

CCSS.2.NBT.B.7