Smaller Numbers
78-35
43
9,421-7,825
1,596
105-31
74
Heidi got 46 Kit Kats and 74 lolipops while Trick or Treating. How many more lolipops than Kit Kats did she get?
28 lolipops
Does it matter which column you subtract first?
When subtracting numbers with more than one digit, start by subtracting the rightmost digit (ones column), then move to the left (tens, hundreds, etc.) to get the right answer.
81-54
27
9,412-5,963
3,449
400-289
111
At Mia's Halloween parade, there were 17 mermaids, 54 unicorns, and 21 princesses. How many more unicorns than mermaids were there?
37 unicorns
When and how do you identify that you need to perform borrowing or exchanging during subtraction?
438-169
269
12,345-11,278
1,067
5,004-1,654
3,350
Over the long weekend, AJ paid $45 for a new LEGO set. He also spent $19 at the bowling alley. About how much more money did he spend on the LEGO set?
$30
If you cannot exchange from the tens/hundreds, what do you need to do?
If you cannot exchange from the tens or hundreds place during subtraction, you may need to continue borrowing or exchanging from higher place value columns until you reach a column where you can perform the subtraction.
1,745-681
1,064
15,236-12,452
2,784
8,014-2,658
5,356
The baker baked 113 apple pies and 275 pumpkin pies for Thanksgiving. To the nearest hundred, about how many more pumpkin pies were baked?
200 pies
What's the difference between addition and subtraction, and when would you choose one over the other?
5,113-885
4,228
27,365-18,423
8,942
20,000-5,214
14,786
Kelly's is having 23 people for dinner on Thanksgiving. Mark is having 17 people. How many more people is Kelly having?
6 people
What are some situations in everyday life where you might need to use subtraction?