Place Value
Addition
Subtraction
< > =
Representing numbers
100

What digit is the tens place in the number 234

What is 3?

100

45+45=

What is 90?

100

15-7=

what is 8

100

45 __ 39

what is > (greater than)?

100

break apart 345 in expanded form 

what is 300 + 40 + 5?

200

There are 416 third grade students who practice Spanish with their pen pals in Bolivia. What is the number of third graders rounded to the nearest hundred?

What is 400?

200

124+137=

What is 261?

200

345-187=

What is 158?

200

350__645

What is < (less than)?

200

What is 31 in word form?

What is thirty-one?

300

Which of these numbers will round to 300 when rounded to the nearest hundred (there are 2)

249, 230, 250, 276

What are 250 and 276

300

378+466=

What is 844?

300

Find the difference between 430 and 182

What is 310?

300

300+50+3 __ 345

What is > (greater than)?

300
Write 680 in standard form?

what is 680?

400

which numbers will round to 630 when rounded to the nearest 10? (there are 3)

635, 628, 623, 632, 625

What are 628, 632, and 625

400

387+268=

What is 655?

400

907-199=

what is 708?

400

400+50+2 __ 452

What is = (equal to)?

400

Explain Model form

Model form visually represents numbers or represents them using base ten blocks

500

There are 656 millimeters added to the beaker. The scientist working on his project wants to round the number to be most precise. Should they round to the nearest ten or hundred to be most precise? 

What is the tens place?

500

Sarah adds 174 and 380 together. She answers and gets 454 and is incorrect. What mistake could Sarah have made?

What is.. Sarah forgot to carry/regroup a one to the hundreds place when adding. 

500

Tam has 308 craft sticks. He buys a package of 625 craft sticks. Tam uses 245 craft sticks for a project. How many craft sticks does he have left? 

Hint first add then subtract 

688 craft sticks left.

500

forty-five __ 40+6

What is < (less than)?

500

How can I show 321 using this model

2 hundreds , __ tens , __ ones .

What is 

2 hundreds 12 tens and 1 ones