Vocabulary
How much a digit is worth based on it's place.
What is value?
27 rounded to the nearest 10.
What is 30?
76+89=
What is 165?
88-29=
What is 59?
Ms. Bates baked 283 cookies on Friday. On Saturday she baked 187 cookies. How many more cookies did she bake on Friday than on Saturday?
What are 96 more cookies on Friday?
The answer in an addition problem.
What is the sum?
124 rounded to the nearest 10.
What is 120?
127+183=
What is 310?
189-178=
What is 11?
Najat says that 367 + 429 is about 1,000. Do you agree or disagree?
I disagree because the sum is closer to 800.
The answer in a subtraction problem.
What is the difference?
1,325 rounded to the nearest 10.
What is 1,330?
Estimate the answer for 258+387
What is 650?
600-241=
What is 359?
Which two numbers have a sum closest to 1,000?
327 482 600 398
What are 600 and 398?
The property that states you can flip the addends around in an addition problem.
What is the Commutative Property?
2,344 rounded to the nearest 100.
What is 2,300?
127+320=125+____
What is 322?
625 - 48 = 630 -___
What is 53?
The fourth grade has 363 students. Over winter break, 94 students moved away, but 26 new students moved in. How many fourth graders are there now?
What are 295 fourth graders?
What is expanded notation?
What is this an example of 300 + 20 + 5 = 325?
12,478 rounded to the nearest hundred.
What is 12,500?
327+_____=42+641
What is 356?
___ - 270 = 727 - 268
What is 729?
Yusuf and Khadro collect cans to recycle. Yusuf has 275 cans and Khadro has 168 cans. On their way to the recycling center, their bag breaks and 89 cans fall out. How many cans do they have now?
What are 354 cans?