Unit 4 review

Whole numbers

100

79,400 in word form

(you have to write the numbers with letters)

seventy nine thousand four hundred

200

79,400 in expanded form

70,000+9,000+400

300

Compare. What place value helped you?

476,106___480,914

<

ten thousand

400

15,000-4,508

10,492

500

458,704+98,601

557,305

10 times 100 times 1000 times

100

Mrs. Galan has 5 friends buts Mrs. Vails has ten times as many... how many friends does she have?

50

200

Double points! Compare the 5's

345 and 1,567

The 5 in 345 is ________times smaller than the 5 in 1,567

100 times

Fraction review

100

The fraction 50/100 = 

5/10

200

What is 50/100 as a decimal?

0.5 or 0.50

300

Add 2/10+5/100+1/10

35/100

Decimals

100

Find a number greater than 6.5 but less than 6.6

6.51 all the way to 6.59

200

Compare 0.987 _____1.6

<

300

the 4th grade teachers raced each other. Mrs. Galan finished in 9.8 seconds and Mrs. Dahl finished in 9.7 seconds. Mrs. Vail finished after Mrs. Dahl but before Mrs. Galan. What is her time?

9.71 9.75 9.78

9.72 9.76 9.79

9.73 9.77

9.74 9.78

Round

100

396,275 rounded tens

396,280

200

396,275 rounded hundred

396,300

300

396,275 rounded thousand

396,000

400

386,275 rounded ten thousand

390,000