Expanded Form
Partial Sums
Rounding
Even and Odd
100

What is the standard form of three thousand, eight hundred forty?

3, 840

100

How can Sofia decompose 367?

367 = 300 + 60 + 7

100

What is 27 rounded to the nearest 10?

27 rounded to the nearest 10 is 30. 

100

Arianna says that the sum of two even numbers is even. Is this true?

Yes. Even + even = even 

200

Kaleigh had four hundred thirty-five Stitch stickers. How could she write this number in standard form?

435

200

What are two ways that Raychelle can decompose 718?

718 = 700 + 10 + 8

718 = 720 - 2

200

What is 82 rounded to the nearest 10?

82 rounded to the nearest 10 is 80. 

200

Is the sum of two odd numbers even or odd?

odd + odd = even 

300

Norianna wanted to make three hundred, eighty two cookies for the students at Morningside. What is the number of cookies that she made in standard form?

382

300

Use partial sums to add 246 + 342. 

200 + 300 = 500

40 + 40 = 80 

6 + 2 = 8

500 + 80 + 8 = 588

300

What is 245 rounded to the nearest 100?

245 rounded to the nearest 100 is 200. 

300

Austin says that the sum of an even number and an odd number is odd. Is this true?

Yes. Even + odd = odd. 

400

How can you write 732 in expanded form?

Seven hundred, thirty two. 

400

Use partial sums to add 289 + 621.

200 + 600 = 800

80 + 20 = 100

9 + 1 = 10

800 + 100 + 10

400

What is 873 rounded to the nearest 100?

873 rounded to the nearest 100 is 900. 

400

Is the sum even or odd?

372 + 976 

The sum is even 
500

Oliver has played 876 games on his VR headset. How could he write this number in expanded form?

Eight hundred seventy six

500

Use partial sums to help find the sum. 506 + 472 = ________

500 + 400 = 900 

0 + 70 = 70 

6 + 2 = 8 

900 + 70 + 8 = 978

500

Javier rounded a number to the nearest 10 and got 430. What is the greatest number that he could have rounded to 430?

The greatest number that rounds to 430 when rounding to the nearest 10 is 434. 

500

Is the sum even or odd?

802 + 259

The sum is odd.