Bobby bought 24 bags of apples for his mom to make applesauce. She only need 17. How many bags were left over?
What is 7
100
Numbers being added together
What is an addend
100
A group of facts using the same numbers.
What is Fact Family.
200
248 + 373
621
200
695-73 = ?
692
200
Alain ran 23 minutes on Monday. He ran 37 minutes on Wednesday and Friday he ran 45 minutes. How many minutes did he run in total the whole week?
What is 105 minutes in total.
200
The answer when adding numbers
What is Sum
200
300- 43 = ?
What is 257.
300
329+ 468 = ?
797
300
542- 354 = ?
188
300
Mrs. Wesley bought 325 drinks for a picnic. SHe bought 135 cartons of milk, 95 bottles of water, and some bottles of juice. What is the number sentence that shows one way to find how many bottles of juice she bought?
What is 325-135-95 = ?
300
Difference
What is the answer when subtracting 2 numbers.
300
697+25+ 234 = ?
What is 965
400
566+74+200 =
840
400
500- 257 = ?
243
400
The aztec Ruins monument has about 318 acres. Gilla Cliff dwellings has about 553 acres. Which is reasonable for the total size for these two national monuments in New Mexico? why?
What is 871 acres, Because 318+ 553 is about 400 + 600 = 1000.
400
Add numbers in any order and the sum will be the same.
What is Commutative property
400
Write the sum of the hundreds, tens, and ones for 536 + 422 = ?
(Hint expanded form)
What is 900+50+8.
500
599+239+ ? = 1273
435
500
506 - 78 - 321 = ?
107
500
Luke wants to find the difference 175-134. He has subtracted the hundreds and tens so far. What is the sum of the two numbers he has subtracted? How much does he still need to subtract?
What is sum=130, and he still needs to subtract 4.
500
Regrouping
What is to form into a new or restructured group. Do this often in subtraction and addition problems.
500
Melissa had 239 pretzels in her box. She ate 147 of these pretzels on Monday. On Tuesday she bought a new box of 94 pretzels. He dog got into the box of pretzels and ate 25. How many pretzels does she have left?