ADD/SUBTRACT
DECIMAL/ FRACTION
ROUNDING DECIMALS
STAND. & EXP FORM
CHALLENGE
100

4.5 + 0.98

5.48

100

CHANGE .5 TO A DECIMAL

5/10

100

ROUND 45.98 TO TENTHS

45.6

100

TWO THOUSAND FOUR AND TWO THOUSANDTH

2004.002

100

GIVE THE GCF AND LCM OF 12 AND 16

GCF =4

LCM = 48

200

6.7 - 4.53

2.17

200

CHANGE 7/8 TO A DECIMAL

ROUND TO HUNDREDTHS

0.88

200

ROUND 35.999 TO THE HUNDREDTHS

36.00

200

STANDARD FORM OF TWO HUNDRED TWELVE THOUSAND, TWO HUNDRED TWO AND TWENTY TWO THOUSANDTHS

212,202.022

200

MARY GOT A 16 OUT OF 17 ON HER QUIZ.  WHAT PERCENT DID SHE RECEIVE?

94

300

98 - 1.567

ROUND TO THE HUNDREDTHS

96.43

300

CHANGE 5.85 TO A FRACTION

5 85/100

300

ROUND 3.9874 TO THOUSANDTHS

3.987

300

STANDARD FORM OF :

4x10+ 2 x 10+ 6 x 1/100 + 7 x 1/1000

4002.067

300

I AM A NUMBER WITH TWO FOURS, ONE 6 AND TWO FIVES.

* ONE FIVE IS IN THE HUNDREDTHS PLACE.  THE OTHER FIVE IS 1/10 OF THAT 5

* ONE FOUR IS IN THE TENS PLACE.  THE OTHER FOUR IS 1/10 OF THAT 4.  

* THE 6 IS IN THE PLACE THAT IS 1/10 OF THE ONES PLACE


44.655


400

8.76 + 1.043 - 3.98

ROUND TO THE TENTHS

5.8

400

BILL ATE 2/3 OF A PIE AND SUE AT 0.65 OF A PIE.  WHO ATE MORE?  HOW DO YOU KNOW?

BILL - 2/3 = 0.67

400

MARY HAD THE NUMBER 45.984 AND HAD TO ROUND.  HER ANSWER WAS 46.  WHAT PLACES COULD SHE HAVE ROUNDED?

WHOLE OR TENTHS

400

order from least to greatest

3x 102 + 2 x 10+ 4 x 1/10 + 5 x 1/1000

3x 102 + 2 x 101 + 4 x 1/10 + 5 x 1/1000

3x 102 + 2 x 10+ 4 x 1/100 + 5 x 1/1000

302.045, 302.405, 320.045

400

WRITE A NUMBER WHERE THE VALUE OF THE 5 IS 1/100 OF THE 5 IN 45.09

0.05

500

28 - 1.098 + 45.09

ROUND TO A WHOLE

72

500

ORDER THE FRACTIONS AND DECIMALS FROM LEAST TO GREATEST

1/2, .35. 1/3, 3/4 , 7/7, 0.2

0.2, 1/3, 0.35, 1/2, 3/4, 7/7

500

48.9807 - ROUND TO WHOLE, TENTHS, HUNDRETHS AND THOUSANDTHS

49

49.0

48.99

48.981


500

order from greatest to least

7x104+4x102+2x100+3x1/10+4x1/100+5x1/10000

7x104+4x101+2x100+3x1/10+4x1/100 +5x1/10000

7x104+4x103+2x100+3x1/10+4x1/100 +5x1/10000

7x104+4x102+2x100+3x1/10+4x1/100 +5x1/1000

74,02.3405

70,402.345

70,402.3405

70,042.3405

500

YOUR NUMBER IS 367.98 WRITE A NUMBER WHERE THE VALUE OF THE :

6 IS 1/10 OF THE 6

7 IS 1/100 OF THE 7

9 IS 100 TIMES THE 9


96.07

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