Addition (+)
The answer to an addition problem
Sum
A single number
Digit
The normal way to write numbers (42) is called what form?
Standard form
When one number is larger it is....
Greater than
Name of this sign: +
Plus
The answer to a subtraction equation
Difference
Moving values between place values during addition
Regrouping
Writing a number using words (forty-two), is called what form?
When one number is smaller it is...
Less than
1 + 7 = 8
This is an example of....
A number sentence
The number that is being subtracted
Subtrahend
The worth of a digit based on its place
Value
A way to write numbers that shows the value of each digit (40 + 2) is called what form?
Expanded Form
When two numbers have the same value it is....
Equal to
The number that is added in an addition problem
Addend
The number from which another is subtracted
(7 - 3 = 4)
Minuend
To adjust a number to the nearest ten you are...
When using blocks to show 42 (4 tens, 2 ones) what form are you using?
Model form
To make a close guess about a number or amount is called...
Estimating
Interactive: Write an addition equation and quiz your seat partner
Students can do this by using a whiteboard (bigger tool) or a pencil (smaller) to scaffold students with poor motor skills.
Interactive: 27-9
(Must say "The difference in 27-9 is..._)
18
Students can respond verbally after visually seeing the equation, which is helpful for hearing impaired students, while using appropriate vocabulary
A strategy where you "take" from a higher place value to help with subtraction when a digit is too small to subtract is called...
Borrowing
Interactive: Whisper to a neighbor what form I am saying the following in:
4 tens 7 ones
Expanded form
Here, visually impaired students are able to hear auditory clues in order to answer the questions in a small group setting.
To look at two or more things and see how they are alike or different is called...
Comparing