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rounding numbers
solving using estimation
more, less or equal
Individual digits
subtracting greater number
100

round this number to the nearest hundred

2,341

2,300

100

Round both number to the nearest hundreds and solve

1,561 + 2,691

1,600 + 2,700 = 4,300


100

8,432  _____  3,558

>

100

What is the value of the italicized digit? 4,829

eight hundred

100

5,291 - 3,211

2,080

200

round this number to the nearest thousands 

7,831

8,000

200

Round both number to the nearest thousands and solve

8,431 + 2,436

8,000 + 2,000 = 10,000

200

6,841 _____ 6,841

=

200

What is the value of the italicized digit? 68,186

sixty thousand

200

8,972- 8,888=

84

300

round this number to the nearest ten thousands

193,594

190,000

300

Round all the number to the nearest thousands and solve

3723 + 6456 + 2131

4,000 + 6,000 + 2,000 = 12,000

300

813,684 _____  820,475

<

300

What is the value of the italicized digit? 516,346

five hundred thousand

300

The 4th grade class printed 4,000 tickets for a play. They sold 3,213 tickets. How many tickets are left?

787 tickets 

400

round this number to the nearest hundred thousands

325,564

300,000

400

Round the numbers to the nearest hundreds and solve

3,857 + 3,242 + 5,431=

3,900 + 3,200 + 5,400=  12,500

400

843,342 _____ 84,332

>

400

What is the value of the italicized digit? 189,841

eighty thousands

400

On Saturday, 89,291 went to a carnival. On Sunday, 164,294 people went to the carnival. How many more people went to the carnival on Sunday than on Saturday?

75,003 people more people went on Sunday

500

round this number to the nearest thousands

835,674

836,000

500

Round the number to the nearest hundred thousands and solve

318,987 + 104,859

300,000 + 100,000 = 400,000

500

one hundred ninety thousand, nine hundred and ninety nine is _________ than 199,999

<

500

What is the value of the italicized digits? 999,999

nine hundred ninety nine thousand, nine hundred ninety nine

500
On Friday, 281,581 players were logged into the Roblox server. On Saturday, only 183,999 were logged into the Roblox server. How many more people logged in on Friday than on Saturday?

97,582 people more people logged in on Friday