Rounding
Standard Addition
Standard Subtraction
Addition Tape Diagram
Comparison
100

732 rounded to the one hundreds. 

700

100

7,909 + 1,044 = ?

8,953

100

2,431 - 341 = ?

2,090

100

Brian saved 12 oranges at breakfast. Ricco hid 6 more oranges than Brian did in his desk. How many oranges together did Brian and Ricco keep?


30 oranges

100

Put the following numbers in order from least to greatest:

19,345

21,789

14,300

21,832

14,300 < 19,345 < 21,789 < 21,832 

200

9,345 rounded to the one hundreds. 

9,300

200

27,909 + 9,740 = ?

37,649

200

422,431 - 92,420 = ?

330,011

200

Mia has sharpened 120 pencils this month. Benjamin managed to sharpen 90 more pencils than Mia this month. How many pencils have Mia and Benjamin sharpened in total so far this month? 

330 pencils and counting...

200

Put the following numbers in order from least to greatest:

39,345

39,789

39,300

39,832

39,300 < 39,345 < 39,789 < 39,832

300

19,500 rounded to the thousands

20,000

300

827,909 + 42,989 = ?

870,898

300

71,989 - 21,492 = ?

50,497

300

Espy managed to complete 103 minutes on iStation last week. Julian completed 41 more minutes than Espy that week. In all, how many minutes did both complete last week on iStation? 

247 minutes

300

Put the following numbers in order from least to greatest:

691,345

211,789

614,300

641,832

211,789 < 614,300 < 641,832 < 691,345

400

45,400 rounded to the ten thousands.

50,000

400

547,982 + 114,849 = ?

662,831

400

371,089 - 25,192 = ?

345,897

400

Dane went to the bathroom last week 4 times. James went to the bathroom 21 more times than Dane last week. Altogether, how many times did Dane and James go to the bathroom last week?

29 times

400

Put the following numbers in order from least to greatest:

229,345

211,789

224,300

224,832

211,789 < 224,300 < 224,832 < 229,345

500
149,782 rounded to ten thousands

150,000

500

754,900 + 245,100 = ?

1,000,000

500

500,989 - 242,000 = ?

258,989

500

Summer won 22 pieces of candy this week. Emiliano Q won 12 more pieces of candy than Summer this week. What was the total pieces of candy both won this week? 

56 pieces of candy

500

Put the following numbers in order from least to greatest:

599,345

597,789

599,300

597,832

597,789 < 597,832 < 599,300 < 599,345

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