EnVision Topic 2 Vocabulary

What does the commutative property of addition say?

• The sum of any number and zero is that number.

• You can add the numbers in any order and the sum remains the same.

• You can regroup the addends in any way and the sum remains the same.

• You can commute to work and the sum remains the same.

Answer explanation

Tags

CCSS.1.OA.B.3

What does the Associative Property of Addition say?

• You can regroup the addends in any way and the sum remains the same.

• When you add a number and zero, the sum is that number.

• You can add the numbers in any order and the sum remains the same.

• You can have a friend add the numbers and the sum remains the same.

Answer explanation

Tags

CCSS.1.OA.B.3

What does the Identity Property of Addition say?

• The sum of any number and one is that number.

• The size of your property is more than zero.

• You can add the numbers in any order and the sum remains the same.

• The sum of any number and zero is that number.

Answer explanation

Tags

CCSS.1.OA.B.3

What does "Count Up" mean?

• Using your fingers and toes to add numbers

• Counting on from the lesser number to the greater number to find the difference between two numbers

• Using symbols or letters to stand for a number

• Choosing numbers close to numbers in a problem to make computation easier

Answer explanation

Tags

CCSS.1.OA.C.6

What is compensation?

• Using numbers close to numbers in a problem to make computation easier, then adjusting the answer for the numbers chosen

• Counting on your fingers and toes

• Using letters or symbols to stand for numbers

• Counting back from the greater number to the lesser number to find the difference of the two numbers

Answer explanation

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is a variable?

• A set of steps to solve a math problem

• Operations that can undo each other

• A symbol or letter than stands for a number

• A color that is my favorite

Answer explanation

Tags

CCSS.6.EE.A.2B

What is an algorithm?

• A set of steps to get to your room

• A letter or symbol that stands for a number

• A set of steps to solve a math problem

• Operations that can undo each other

Answer explanation

Tags

CCSS.8.EE.C.7B

What are inverse operations?

• Symbols or letters that stand for a number

• Backwards surgeries

• Counting backwards on your fingers and toes

• Operations that can undo each other

Answer explanation

Tags

CCSS.2.NBT.B.5

What does "Count Down" mean?

• Getting ready to blast off

• Counting back from the greater number to the lesser number to find the difference of the two numbers

• Getting ready to yell "Happy New Year!"

• Counting days until the weekend

Answer explanation

Tags

CCSS.RI.3.10

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4