Reveal Unit 4 Review Second Grade

Front

What is addition?

Back

Addition is the mathematical process of combining two or more numbers to find their total.

Front

What is subtraction?

Back

Subtraction is the mathematical process of taking one number away from another to find the difference.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical question presented in the form of a story or real-life scenario that requires interpretation and problem-solving.

Front

How do you solve a word problem?

Back

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

Front

What is the sum of 3 and 14?

Back

3 + 14 = 17

Front

If Janet has 42 barbies and Sarah has 14 more, how many barbies does Sarah have?

Back

Janet's barbies (42) + 14 = Sarah's barbies (56)

Front

How many more cupcakes does Jason need if he wants 120 and has made 60 cherry and 36 mocha cupcakes?

Back

120 - (60 + 36) = 24 more cupcakes needed.

Front

What is the total number of cards John bought if he bought 24 pokemon cards and 31 football cards?

Back

24 + 31 = 55 cards.

Front

What is the equation to find out how many grapes Joann had before her grandma gave her 6 more?

Back

Let x be the number of grapes Joann had before: x + 6 = 30, so x = 24.

Front

What does 'more than' indicate in a mathematical problem?

Back

'More than' indicates addition; for example, '14 more than 42' means 42 + 14.