Multi-Digit Addition
123+122
245
342-111
231
sum
Mrs. Nussbaum bought 123 pencils for her class. Andrew's mom bought her 222 more. How many pencils does she have all together?
345 pencils
Cooper spent $245 at the book fair. Mackenzie spent $189. Estimated to the nearest hundred, about how much did Cooper and Mackenzie spend at the book fair together?
Cooper and Mackenzie spent about $400.
456+234
690
345-253
92
The answer to a subtraction problem
difference
Liam had 234 Harry Potter Lego figures and Owen had 35 more figures than Liam. How many Harry Potter Lego figures did Owen have?
269 figures
Falls lake has lots of different fish living in it. There are 596 bass, 611 flounder, and 1,089 catfish. About how many more catfish are there than flounder rounded to the nearest HUNDRED?
About 500 more catfish
678+299
977
867-399
468
When I see the word "about" in a word problem, what does it want me to do?
round
Jackson had 345 footballs. He was playing the game alot over the summer, and he lost 299 of them over the fence. How many footballs does Jackson have now?
46 footballs
East Carolina University has 28,499 students. NC State University has 31,569 students. About how much greater is the student population at NC State University than East Carolina University rounded to the nearest THOUSAND?
NC State's student population is about 4,000 greater.
2,456+1,388
3,844
7,000-5,342
1,658
When the problem says "how many more" what does it usually want me to do?
subtract
Ayden has 567 basketballs. While Ayden was playing this summer, he popped 498 of them. Lewis was a good friend and bought Ayden 123 more basketballs. How many does Ayden have now?
192 basketballs
Estimate the sum total of the following numbers to the nearest HUNDRED: 536 695 3,050 999
The estimated total is 5,300.
9,899+3,234
13,133
9000-345
8,655
When the problem says altogether, what does it want me to do?
add
Tristan solved 678 math problems. Quin solved 345 less math problems than Tristan. Colin solved 67 more problems than Quin. How many problems did Colin solve?
400 math problems
If I was subtracting two numbers from each other, but I didn't have enough in my thousands place, where would I go to borrow from?
Ten Thousands Place