4th Grade NSO1.1-4 Review

Standard Form

100

Write this number in standard form...

100 + 20 + 2

122

200

Write this number in standard form...

four hundred thirty one

431

300

5,000 + 300 + 70 + 4

5,374

400

Write this number in standard form...

sixty one thousand three hundred three

61,303

500

Write this number in standard form...

800,000 + 30,00 + 8,000 + 500 + 20 + 7

838,527

Expanded Form

100

Write this number in expanded form...

4,026

4,000 + 20 + 6

200

Write this number in expanded form...

82,911

80,000 + 2,000 + 900 + 10 + 1

300

Write this number in expanded form...

fifty one thousand six hundred twenty three

51,623

400

Write this number in expanded form...

651,833

600,000 + 50,000 + 1,000 + 800 + 30 + 3

500

Write this number in expanded form...

three hundred forty one thousand two hundred thirteen

341,213

Word Form

100

Write this number in word form...

8,465

eight thousand four hundred sixty five

200

Write this number in word form...

7,000 + 500 + 20 + 9

seven thousand five hundred twenty nine

300

Write this number in word form...

671,602

six hundred seventy one thousand six hundred two

400

Write this number in word form...

844,287

eight hundred forty four thousand two hundred eighty seven

500

Write this number in word form...

700,000 + 30,000 + 6,000 + 200 + 50 + 4

seven hundred thirty six thousand two hundred fifty four

Comparing Numbers

100

Choose <, >, or = to compare the numbers...

5,582  [ ]  5,582

5,582 = 5,582

200

Choose <, >, or = to compare the numbers...

42,412  [ ]  44,212

42,412  <  44,212

300

Choose <, >, or = to compare the numbers...

527,382  [ ]  527,381

527,382  >  527,381

400

Choose <, >, or = to compare the numbers...

691,032  [ ]  691,302

691,032  <  691,302

500

Choose <, >, or = to compare the numbers...

nine hundred thirty thousand one hundred four

                  [ ]

ninety three thousand nine hundred four

nine hundred thirty thousand one hundred four

                             >

ninety three thousand nine hundred four

(930,104  >  93,904)

Rounding Numbers

100

Round this number to the nearest TENS

6,548

6,550

200

Round to the nearest THOUSAND

33,902

34,000

300

Round to the nearest HUNDRED

638,538

638,500

400

Round to the nearest TEN THOUSAND

746,308

750,000

500

Gem claims that when rounding the number 804,973 to the nearest HUNDRED THOUSAND that the answer is 900,000.

Do you agree with Gem? Explain why.

NO, disagree with Gem. *answers vary*

(804,973)

When rounding the hundred thousands place, we are looking to change the 8 and borrow from the neighbor 0. If the neighbor is 4 or less, we let the 8 rest and do not raise it. Since 0 is less, the 8 rests. Gem's correct rounding should be 800,000.