Topic 2 Vocabulary Quiz

Hey Anika, Daniel, and Elijah! Can you figure out what compatible numbers are?

• Numbers that are difficult to add, subtract, multiply, or divide

• Numbers that are easy to add, subtract, multiply, or divide

• Numbers that are only used in subtraction

• Numbers that are only used in multiplication

Hey Harper, Ava, and Elijah! Can you figure out what the associative property of addition states?

• The sum of two numbers is always greater than the product

• The sum of three or more numbers is the same, even when the grouping of addends is changed

• The difference between two numbers is always positive

• The product of two numbers is always greater than their sum

Tags

CCSS.2.NBT.B.5

Maya, Nora, and Isla are playing a math game. Which of the following is an example of the associative property of addition?

• (2+3)+4 = 2+(3+4)

• (2-3)+4 = 2-(3+4)

• (2*3)+4 = 2*(3+4)

• (2/3)+4 = 2/(3+4)

Tags

CCSS.3.NBT.A.2

Hey class! Scarlett and Benjamin are having a debate. Scarlett says that the order of numbers in an addition expression can be changed without changing the sum. What does the commutative property of addition state?

• The sum of numbers changes when the order is changed.

• The order of numbers in an addition expression can be changed without changing the sum.

• The product of numbers changes when the order is changed.

• The difference of numbers changes when the order is changed.

Tags

CCSS.1.OA.B.3

Charlotte and Avery are playing a math game. Can you help them figure out which of the following is an example of the commutative property of addition?

• 5 + 12 = 12 - 5

• 5 + 12 = 12 + 5

• 5 - 12 = 12 - 5

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.9

Michael and Hannah are solving a math puzzle. What does the term "compensation" mean in mathematics?

• Keeping the numbers the same to make the calculation harder.

• Adjusting/changing one or both numbers to make them "friendlier" numbers to calculate to solve.

• Changing the operation to make the calculation harder.

• Ignoring the numbers to make the calculation easier.

Tags

CCSS.2.NBT.B.9

Hey math whizzes! Oliver, Aiden, and Henry are having a debate. Can you help them out? What does the term "annex" mean in mathematics?

• To subtract numbers

• To add more numbers (usually 0's) to an original number

• To multiply numbers

• To divide numbers

Tags

CCSS.3.NBT.A.2

Hey math wizards! Aiden, Abigail, and Kai are solving problems. Can you help them figure out which of the following is an example of "annexing" zeros in their math problem?

• 45.6 + 3.2

• 64.700 - 8.382

• 12 x 4

• 100 ÷ 5

Tags

CCSS.5.NBT.A.2

Grace and Jackson are having a friendly math duel. What is "mental math"?

• A method to write down math problems

• A group of skills that allow you to do math in your head

• A way to use a calculator

• A technique to draw math symbols

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.8

CCSS.2.OA.B.2

Nora and Ethan are at the mall. When might they use mental math in everyday life?

• When writing a letter

• When shopping to make sure they have enough money

• When drawing a picture

• When reading a book

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8