Master Mathematical Practices: Enhance Your Math Skills in 3rd Grade

Question 1

You have 3 apples that cost 25 cents each and 2 bananas that cost 15 cents each. How much will it cost to buy all the fruit?

Accepted Answer

Add the cost of the apples and bananas.

Answer

Subtract the cost of the bananas from the cost of the apples.

Answer

Multiply the cost of one apple by the total number of fruits.

Answer

Divide the cost of all the fruits by the total number of fruits.

Question 2

Imagine you're baking cookies for your friends. You need to know how many cookies you can make with the ingredients you have. Which of these is the best way to figure it out?

Accepted Answer

Use a math problem to calculate it

Answer

Guess how many cookies you can make

Answer

Ask your friends how many cookies they want

Answer

Flip a coin to decide

Question 3

You're helping your teacher explain to the class how you solved a math problem. What's the most important thing to do?

Accepted Answer

Explain your steps clearly and show how you got the answer

Answer

Talk really fast so everyone can understand

Answer

Use big words to sound smart

Answer

Just tell the answer and don't explain anything

Question 4

You're trying to understand a tricky math concept. Which tool can help you see it better?

Accepted Answer

A graph

Answer

A calculator

Answer

A protractor

Answer

A ruler

Question 5

What makes a good math detective? Which of these is most important?

Accepted Answer

Trying different ways to solve a problem

Answer

Giving up easily

Answer

Being afraid to make mistakes

Answer

Only working on math problems that are easy

Question 6

You're stuck on a math problem. What's the best thing to do first?

Accepted Answer

Reread the problem carefully and try to understand what it's asking you to do

Answer

Panic!

Answer

Ask your friend for the answer

Answer

Close your eyes and hope for the best

Question 7

You solved a math problem and got the answer. What should you do next?

Accepted Answer

Show your work so others can see how you got the answer

Answer

Shout out the answer so everyone can hear

Answer

Keep your work a secret

Answer

Erase your work and start over

Question 8

Your friend asks you why your answer to a math problem is correct. What's the best way to respond?

Accepted Answer

Show them your work and explain each step you took

Answer

Just tell them the answer again

Answer

Tell them they're wrong and you're right

Answer

Make up a silly story about how you got the answer

Question 9

You're multiplying a big number. What's a good strategy to make it easier?

Accepted Answer

Break the problem into smaller parts

Answer

Use a calculator

Answer

Guess the answer

Answer

Give up and ask for help

Question 10

Which of these is NOT a mathematical practice?

Accepted Answer

Memorizing math facts

Answer

Applying math to real-world situations

Answer

Reasoning and explaining

Answer

Using tools and technology

Question 11

When applying math to a real-life situation, what should you do first?

Accepted Answer

Identify the math needed

Answer

Solve the math problem

Answer

Write down the variables

Answer

Estimate the answer

Question 12

Which tool can help you picture math problems?

Accepted Answer

Diagram

Answer

Calculator

Answer

Protractor

Answer

Number line

Question 13

Why is estimating in math helpful?

Accepted Answer

To check if your answer is reasonable

Answer

To get an exact answer

Answer

To compare different answers

Answer

To make math problems harder

Question 14

When applying math to real-life, you should:

Accepted Answer

Use math that fits the situation

Answer

Always use the hardest math

Answer

Always use a calculator

Answer

Guess and check until you get the right answer

Question 15

What is a good way to share your math ideas?

Accepted Answer

Use clear language

Answer

Use technical language that only experts can understand

Answer

Write out every possible explanation

Answer

Only show your work, but don't explain it

Question 16

When solving a math problem, it's important to:

Accepted Answer

Understand the problem and the steps involved

Answer

Only focus on getting the right answer

Answer

Memorize formulas without understanding them

Answer

Use a calculator for every step

Question 17

Imagine you're baking a cake that needs 2 cups of flour. Which of these shows how you can apply math to this task?

Accepted Answer

Counting out 2 cups of flour using a measuring cup

Answer

Measuring the distance from the kitchen to the grocery store to get more flour

Answer

Playing a game where you collect virtual flour

Answer

Watching a video about how to measure ingredients

Question 18

You're using a calculator to check your math. What's the most important thing to remember?

Accepted Answer

Put in the numbers correctly and use the right operation

Answer

Guess what the answer might be based on the calculator

Answer

Don't bother checking your work

Answer

Do the calculation in your head instead

Question 19

When trying to solve a math problem, which of these is NOT a helpful strategy?

Accepted Answer

Giving up

Answer

Trying different solutions

Answer

Drawing a picture or table

Answer

Guessing the answer

Question 20

Which tool is the best choice for measuring the length of a book?

Accepted Answer

A ruler

Answer

A clock

Answer

A thermometer

Answer

A scale

Question 21

Which of the following is an example of applying math to a real-world situation?

Accepted Answer

Figuring out how much money you need to buy groceries

Answer

memorizing the multiplication table

Answer

Playing a math game

Answer

Drawing a circle

Question 22

When you are trying to solve a math problem, what is a good strategy to use to help you reason and explain your thinking?

Accepted Answer

Draw a picture or diagram

Answer

Guess and check

Answer

Memorize the steps

Answer

Use mental math

Question 23

Which tool would be most helpful for checking your math answers?

Accepted Answer

Calculator

Answer

Protractor

Answer

Ruler

Answer

Graph paper

Question 24

If you buy 3 apples for 25 cents each, how much money will you spend in total?

Accepted Answer

75 cents

Answer

50 cents

Answer

$1

Answer

$1.50

Question 25

Which of the following is NOT a good math strategy?

Accepted Answer

Only using a calculator

Answer

Checking your work

Answer

Asking for help

Answer

Using manipulatives

Question 26

When solving a math problem, it is important to:

Accepted Answer

Read the problem carefully

Answer

Guess and hope for the best

Answer

Give up if you don't understand

Answer

Only use the calculator

Question 27

Which of the following is an example of using math to make a prediction?

Accepted Answer

Estimating how much popcorn will fill a bag

Answer

Solving an equation

Answer

Measuring the length of a room

Answer

Counting the number of students in a class

Question 28

What does it mean to 'reason mathematically'?

Accepted Answer

To think logically and make connections between ideas.

Answer

To memorize math facts quickly.

Answer

To use a calculator to solve problems.

Question 29

Which of the following is an example of using math in the real world?

Accepted Answer

Figuring out how much pizza to buy for a party.

Answer

Solving a quadratic equation.

Answer

Finding the area of a triangle.

Question 30

Which of the following is NOT a mathematical practice?

Accepted Answer

Remembering just the math facts

Answer

Applying math to everyday situations

Answer

Reasoning with evidence

Answer

Using tools to solve problems

Question 31

You have 12 cookies to share with 4 friends. How many cookies will each person get?

Accepted Answer

3

Answer

4

Answer

8

Answer

12

Question 32

Which tool would you use to measure the length of a pencil?

Accepted Answer

Ruler

Answer

Calculator

Answer

Protractor

Answer

Thermometer

Question 33

You're reading a math article online and you come across a statement you don't understand. What's the best way to figure out its meaning?

Accepted Answer

Look for a definition or explanation nearby.

Answer

Ignore it and move on.

Answer

Reread the statement several times.

Question 34

One way to check your answer to a math problem is to do the problem again using a different method.

Accepted Answer

True

Answer

False

Question 35

The area of a rectangle with a length of 6 inches and a width of 4 inches is 24 square inches.

Accepted Answer

True

Answer

False

Question 36

Which of these shows how you can apply math to something in real life?

Accepted Answer

Finding the area of a garden to know how many plants to buy

Answer

Counting the number of pets you have

Answer

Multiplying numbers to find the total cost of items

Answer

Solving a puzzle for fun

Question 37

When you 'reason and explain' your thinking in math, what does that mean?

Accepted Answer

You can tell someone how you got your answer and why it makes sense

Answer

You can guess the answer and hope it's right

Answer

You can use a calculator to find the answer without thinking about it

Answer

You can memorize the answer without understanding it

Question 38

Which of these is the best way to make sure your math answer is right?

Accepted Answer

Check your work using a different method

Answer

Ask a friend for their answer

Answer

Hope for the best

Answer

Just guess

Question 39

When solving math problems, which strategy is most helpful?

Accepted Answer

Break the problem into smaller, easier steps

Answer

Start with the hardest part of the problem first

Answer

Give up if you get stuck

Answer

Don't ask for help if you need it

Question 40

What does it mean to 'persevere' in math?

Accepted Answer

Try different ways to solve a problem

Answer

Give up easily

Answer

Get frustrated when you make a mistake

Answer

Only work on problems you know you can solve

Question 41

When solving a math problem, what's the most important thing to keep in mind?

Accepted Answer

Understanding the problem and how to solve it

Answer

Getting the right answer

Answer

Using the right math rules

Answer

Finishing the problem quickly

Question 42

When might you use multiplication in real life?

Accepted Answer

Finding the total cost of apples you bought

Answer

Counting different shaped toys

Answer

Measuring the length of a book

Answer

Separating a pizza into same sized pieces

Question 43

You have three bags of marbles, each with six marbles. You put all the marbles into one bag. How many marbles are in the bag now?

Accepted Answer

Eighteen

Answer

Nine

Answer

Twelve

Answer

Twenty-four

Question 44

You have 3 boxes, each with 4 books. You want to put the books on a shelf with 2 books on each shelf. How many shelves do you need?

Accepted Answer

Three

Answer

Two

Answer

Four

Answer

Five

Question 45

Which of the following is **not** a mathematical practice?

Accepted Answer

Memorizing math facts

Answer

Applying math to real-world situations

Answer

Reasoning and explaining thinking

Answer

Using tools and technology to solve problems

Question 46

When you use a ruler to measure the length of a pencil, you are using which mathematical practice?

Accepted Answer

Using tools and technology to solve problems

Answer

Reasoning and explaining thinking

Answer

Applying math to real-world situations

Answer

Representing and interpreting data

Question 47

When you are trying to solve a math problem, it is important to:

Accepted Answer

Ask for help when needed

Answer

Give up easily

Answer

Only use the first strategy you think of

Answer

Never make mistakes

Question 48

When you are solving a math problem, it is important to:

Accepted Answer

Check your answer

Answer

Guess and check

Answer

Only use one method

Answer

Give up easily

Question 49

Which of these tools can help you measure the length of a pencil?

Accepted Answer

A ruler

Answer

A calculator

Answer

A protractor

Answer

A compass

Question 50

Which of the following is NOT a way to show your work in math?

Accepted Answer

Guessing and checking different answers

Answer

Writing your steps on paper

Answer

Using a diagram to show your thinking

Answer

Using a calculator to find the answer