Vocabulary
Review Topics
Regroup Once
Regroup Twice
Bonus Category
100
Fill in the blank:

The answer to a subtraction problem is called the ________.
difference
100
What is the perimeter of a quadrilateral with the following length sides: 4cm, 6cm, 2cm, and 2cm?
The perimeter is 14cm.
100
851 - 25 =
826
100
523 - 98 =
425
100
Nash has completed 215 blocks of the 400-block Minecraft building.

How many more blocks must Nash place to finish the building?
Nash must build 185 more blocks to finish the building.
200
Fill in the blank:

When we cannot subtract the digits in the ones place because the bottom number is too much, we have to __________ the tens place.
"regroup" or "borrow from"
200
What is 482 rounded to the nearest hundred?
500
200
735 - 63 =
672
200
3250 - 807 =
2443
200
What is the missing digit?

7,836 -? 1,__27 = 6,309
5
300
When I see this sign:

-

I know I have to _________.
subtract
300
What is the perimeter of a rectangle with a length of 10 inches and a width of 5 inches?
The perimeter is 30 inches. (10in + 10in + 5in + 5in = 30in)
300
Find the difference between 921 and 6.
915
300
Find the difference between 123 and 85.
123 - 85 = 38
300
There are 628 creepers and 1,345 ghasts in the Nether.

How many more ghasts than creepers are in the Nether?
There are 717 more ghasts than creepers in the Nether.
400
When beginning a subtraction problem, what is the first thing I should try to do?
I should try to subtract the digits in the ones place.
400
What is 482 rounded to the nearest ten?
480
400
Find the difference between 151 and 343.
343 - 151 = 192
400
Find the difference between 5985 and 7505.
7505 - 5985 = 1520
400
What digit do the boxes represent?
Hint: It's the same digit for both places!

4,400 - __,095 = 1,__05
3
500
432
-129

Why can't I subtract the digits in the ones place?
Because you can't take 9 away from 2. (There's more on the floor - so go next door!) You must regroup from the tens in the top number.
500
Find the sum of the following numbers: 479 and 393.
872
500
Subtract AND show how you check your answer:

4561 - 1405 =
4561 - 1405 = 3156

Check my answer:
3156 + 1405 = 4561 ✔
500
Subtract AND show how you check your answer:

111 - 77 =
111 - 77 = 34

Check my answer:
34 + 77 = 111 ✔
500
There are 5,900 children at an art competition.

3,127 of them are girls.

Are there more girls or boys at the competition?

How many more?
There are more girls.

2773 more girls than boys take part in the competition
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