Vocabulary
At least one other word for regrouping when adding.
What is Bundle / Compose / Change other words for regrouping when adding?
300 + 400 =
What is 700?
600 - 200 =
What is 400?
Using tape to solve your addition and subtraction problem.
What is tape diagram?
Using the answer first; then using the second number; should give you the first number/biggest number.
What is checking with addition.
At least one other word for regrouping when adding.
What is Bundle / Unbundle / Compose / Decompose / Change?
330 + 400 =
What is 730?
620 - 200 =
What is 420?
The strategy that requires you to line up the place values.
What is vertical / algorithm / stacking?
453 + 453 = 806 is not right.
What is he forgot to regroup?
The three place values we have learned in class.
What are Hundreds, Tens, Ones?
335 + 430 =
What is 765?
620 - 210 =
What is 410?
This strategy allows for you to use a chart and disk to solve your equation.
What is Place Value Chart?
300-252=300-200100-5050-230 is not right.
What is because 20 was subtracted instead of 2?
The word we use to describe the vertical and stacking method of subtraction and addition.
What is Algorithm?
335 + 439 =
What is 774?
622 - 214 =
What is 408?
Adding hundreds or multiples of hundreds; then tens or multiples of tens; or ones or multiples of ones With arrow or number lines.
What is the Arrow Way / Number Line
10 302 - 159 157
is incorrect.
What is because 9 can't be taken from 2 and they need to regroup twice instead of once.
Two or more equations with the same result. Ex. 15-7=18-10=8
What is associative property.
345 + 479 =
What is 824?
612 - 214 =
What is 398?
These body parts are not a great strategy for adding and subtracting triple digit numbers.
What is Counting Fingers?
515 + 339 = H T O ..... ..... .... ...
What is forgot to regroup the ones?