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Number forms
Ten times as many
Comparisons
Estimation
Rounding
100
What is 12,018 in word form?
twelve thousand, eighteen
100
What is 10 times 3,450?
34,500
100
Fill in the blank. 34,505 ___ 34, 550
<
100
Estimate the sum. 34,908 + 34,098
30,000 + 30,000 = 60,000 or 35,000 + 34,000 = 69,000
100
Round to the nearest thousand 15,089.
15,000
200
What is 304,201 in unit form?
3 hundred thousands 4 thousands 2 hundreds and 1 one
200
Jane has ten times as many as Bob. Bob has 87,098. How many does Jane have?
Bob has 87,098.
200
Place these in order from least to greatest. 89,789 89,879 89,779
89,779 89,789 89,879
200
Carla has 5,609 pairs of earrings. Maris has ten times as many. About how many do they have altogether?
6,000 + 56,000 = 62,000 They have about 62,000 pairs of earrings all together.
200
Round 208,900 to the nearest ten thousand.
210,000
300
What is 800,000 + 90,000 + 300 + 50 + 6 in standard form?
890,356
300
What is ten times as many as 79,943?
799,430
300
Compare these amounts. 3 thousands 2 hundreds 4 ones _____ 3, 244
<
300
The population of Binghamton in 2003 was 24,856 people. The population of Endwell was 12,028 that same year. About how many total people were living in Binghamton and Endwell in 2003?
20,000 + 10,000 = 30,000 People lived there. 25,000 + 12,000 = 37,000 People lived there.
300
What is 299,301 rounded to the nearest ten thousand?
300,000
400
What is 43 ten thousands 29 hundreds and 6 ones in standard form?
432,906
400
Robin has 38,267 freckles. Maria has ten times as many as Robin. How many freckles does Maria have?
Maria has 382,670 freckles.
400
Compare these amounts. forty five thousand, ninty one ______ 4 ten thousands 5 thousands and 9 ones
>
400
Estimate how many people eat pizza with toppings based on the information below. Pepperoni 14,087 Plain 28,511 Mushroom 13,689 Ham 7,234
14,000 + 14,000 + 7,000 = 35,000 People eat pizza with toppings.
400
Round 391,307 to the nearest thousand, ten thousand and hundred thousand.
391,000 390,000 400,000
500
What is 6 tens 37 hundreds 1 ten thousand 2 ones in standard form?
13,762
500
If George has 78,290 stamps and that is ten times as many as Jim, how many does Jim have?
Jim has 7,829 stamps.
500
Crystal has 28,980 Facebook friends. Write a comparison statement using <, >, or = when this number is rounded to the ten thousands and when it is rounded to the thousands place.
30,000 > 29,000
500
The Binghamton Press sells 18,903 newspapers daily. The Syracuse Times sells ten times as many newspapers. Estimate the total amount they sell when rounding to the nearest thousand. Estimate the total amount they sell when rounding to the nearest ten thousand. Which is more accurate?
19,000 + 189,000 = 208,000 20,000 + 190,000 = 210,000 The estimate rounded to the nearest thousand is more accurate because it is rounded to a smaller place.
500
Round 892,039 to the nearest thousand, ten thousand and hundred thousand. Which one is the most accurate? Explain your thinking.
892,000 890,000 900,000 892,000 is the most accurate because it is closest to the actual number.