Rounding
Number Lines
Estimating
Ordering
Other
100

What is the halfway number between 10 and 20?

15

100

What point represents B on the number line Miss Averill draws?

40

100

Round both number to the nearest ten and add them.

32 + 13

30 + 10 = 40

100

Order these numbers from least to greatest.

58, 19, 519, 313


19

58

313

519

100

Write the number 52 in word form.

Fifty two

200
What is the halfway number between 700 and 800?

750

200

What point does g represent on the number line Miss Averill draws?

52

200

Round both numbers to the nearest 10 and find the difference.

49 + 12 =

50 - 10 = 40

200

Order these numbers from greatest to least

310, 752, 581, 968

968

752

581

310

200

Write the number 3,852 in expanded form.

3,000 + 800 + 50 + 2

300

Which number round to 70 when rounded to the nearest 10?


a. 64

b. 75

c. 65

d 79

c. 65

300

What point does L represent on the number line Miss Averill draws?

10

300

Round both of these numbers to the nearest 100 and find the difference.

581 - 152 = 

600 - 200 = 400

300

Order these numbers from greatest to least.

1,492          1,953         2, 573                 5,391

5, 391

2, 573

1,953

1,492

300

What vocabulary word means to find the nearest ten, hundred, thousand, and so on?

Rounding 

400

Amiya has 391 socks. How many socks does she have rounded to the nearest 10?

390 socks

400

What is wrong with Miss A's number line?


Hint: 3 things!

Missing the number 4

Missing the number 8

Not evenly spaced

400

Round bot of these numbers to the nearest 10 and add them together.

548 and 686

550 + 690 = 1,240

400

Order these numbers from least to greatest

9,867              9,768              8,174         8,741

8,174

8,741

9,768

9,967

400

What type of form is this number in?

514

Standard form

500

Greg correctly rounded the number of stickers he has to the nearest 10. He got 500. Which number could be the correct number of stickers he has?

a. 484

b. 503

c. 494

d. 508

b 503

500

What point does H represent on the number line?

48

500
David and his family went golfing. Their scores are below.

71, 56,  17 


Write and equation you would use to find the estimate of the total of all of golf scares. 

70 + 60 + 20 = 150

500

Order these numbers from greatest to least.

5,198      5, 918       5, 981        5, 189

5,981

5,918

5,198

5,189

500

What is the vocabulary word that means a single symbol used to make a numeral?

Digit