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Nickya Roachford - Saturday, January 22 & 29, 2022





 The average of four numbers is 15. 

Three of the numbers are 9, 12 and 19. Find the fourth number. 


Step 1: Add the numbers you have been given. 


9+12+19= 40


Step 2: Multiply


15 x 4 = 60


Step 3: Subtract 


Unknown value:  60-40= 20 








1. The average of four numbers is 85. Three of the numbers are 86, 83 and 81. What is the fourth number?


    Add -         ____ + ______ + _______

    Multiply- 85    x     4 =

    Subtract -


2. The average of five numbers is 100. Four of the numbers are 300, 75, 100 and 10. What is the fifth number?


    Add -

    Multiply -

    Subtract -


3. The average of 4 numbers is 70. Three of the numbers are 52, 65 and 71. What is the fourth number?


    Add - ____ +______ + ______

    Multiply

    Subtract



Finding the sum when given the average

The mean of 5 numbers is 30. What is the sum of the 5 numbers?

Multiply:     30 x 5
                    Sum = 150

1. I worked 3 days this week. I earned an average of $58 daily. What was the sum of my money?


The average cost of these bags is $68. What is the sum of the cost of the bags?




Warm up: 

Averages Review


Section A

The green paintbrush costs $45. The red and yellow brushes cost $30 each. Find the average cost of the brushes. 



The average of three numbers is 34. Two of the numbers are 36 and 30. What is the third number?


The average of three children's money is $50. Two of them have $55 and $42. How much money does the third child have?




Saturday, February 12, 2022


Grammar Revision




Complete the following using the simple past tense.




 Write the following verbs in the past tense: 


jump       ___________   run          _______________ cry        ______________






Change each word to a plural noun.













Write the possessive form of each noun in parentheses. 


1. (Rita) sister is in second grade. 

2. The two (dogs) tails are wagging. 

3. (Children) books are fun to read. 

4. The (trees) leaves are falling. 

5. (Monday) concert starts at noon. 

6. The (woman) dress is green. 

















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