Math Review

Math Review- This to be completed in preparation for our math test on Wednesday, October 9th. The review will be taken up on Tuesday October 8th. 


1.  Fill in the blanks below. Each number needs to be expressed in standard, expanded and written form.

Standard	Expanded	Written
3 120 048
		Fifty thousand five
	10 000 000+ 2 000 000+ 300 000+     10 000+ 6 000+ 100 + 40 +6

  
2..  Brandon researched the areas of some large deserts.

Desert	Area in square kilometres
Chang Tang Desert	800 310
Peruvian Desert	253 820
Great Sandy Desert	388 500
Namib Desert	207 977

a)    Compare the areas of the Chang Tang Desert and the Peruvian Desert with an inequality sign ( <, >)

         ____________________________________________________

b)    Order the area of the deserts from least to greatest.

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_____________________

______________________

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Explain your strategy. ______________________________________________________________________________________________________________

          4.    Round the following numbers to the nearest thousands.

a)    234 541 ________________       1 254 010 ____________________

b)   24 354 619 ______________________

5.  Round the following numbers to the nearest hundreds.

3 879 _________    2 432 447 _____________ 24 969 567___________

Explain how you would round a number. Don’t forget to use math words.

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

List the factors of the following number. Identify whether or not they are prime or composite.

a       a)  62                                            b)  44

    c)    74                                           d)  24

       

Working with Small Numbers

 1.     In the number 73.765 which digit is in the:

     a)  tens place _________                                d) tenths place ____________

b   b) ones place _________                                e)  hundredths place  ___________

     c) thousandths place __________

      

    2.  Complete the chart below 

         

Standard	Expanded	Written	Mixed Numbers/ Fractions
12. 32
0.008
		five and three hundredths
	300 + 90 + 3+ .01 + .009
	20 000 + 70 + 0.6 + .004
0.432
		two million seventy thousand and sixty eight hundredths

            3. Which decimal is greater?

            

              a) 2.03 or 2.4            b) 0.526 or 1.004     c) 5.7 or  3.99          d) 0.403  or  0.067

           4. Order these decimal numbers from least to greatest. 

             a)  2.108 ,   0.053,  0.872,     1.096

              

             b) 2.085 , 2.008 , 3.004, 2. 805 

               

             c)  2.4 ,  2.34,   0.27,  2.347,  2.7 

             5. Round each decimal to the nearest hundredth.

        a) 0.526                b) 0.078                  c) 3.006                d) 0.896

    

            6. Round each number to the nearest tenth.

          a) 0.72             b) 2.462               c)  1.073             d) 0.98

                

             7. Write three decimal numbers that would fall in between 2.67 and 2.8