1.What must be added to each in order to reach zero?
3, 3, 16, 9, 8, 15, 5, 1, 11
2.Divide. 48 6; 14 7; 0 12; 18 6
3.Compute and compare. (Use , , .)
7 9 9 7; 3 6 6 9;
0 (4) 4 (4)
4.Find the missing quotient. 16 (2) 2;
125 25 (1); 36 (2) (3)
5.Read the numeral, then rename as factors: 10^3 , 4^2 ,
54 , 10^6 , 3^5 , 4^4 , 9^2 , 8^3 , 6^4 , 7^3
6.Multiply or divide. 2^2 • 3^2 , 10^2 52 , 5^2 (2)^2 ,
32 (2)^2 , 5^3 51 , , 33 (3)^2
- Give the simplest number for each.
10 10 10 10; 10^3 ; 10 102 ; 10 102 ;
102 (10)
8. Write the numeral: six billion, twelve million,
eighteen; five million, four hundred thousand;
ninety thousand
9. Say each in expanded notation. 16,000; 109,400;
50,005; 10,110; 6,000,500; 25,000,250 - Round to the nearest thousand: 24,123; 986; 7645
Round to the nearest thousandth: 0.9665; 1.0743 - Round to the nearest whole number:
4, 1, 6, 24 , 16, 9, 14, 5 - Round to the nearest whole number: 7.5, 8.25,
6.19, 5.763, 4.199, 0.56, 9.67, 3.402 - Solve. 5x35, a• 8 88, 7 c42, 45 a• 9,
0 x• 6, y• 6 36, x• 10 0 - When n5.5 what number is named by 4 n?
104
22
11
15
1
5
4
9
3
8
2
3
2
3
7
8
3
4
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Listen to the directions.
You do not need paper and pencil.
SET 1.............................................................................................................
1.What operation is suggested by moving on a number
line from 2 to 1? 4 to 4? 3 to 6? 5 to 5?
2.Say the word phrase for each algebraic expression.
63 • 4; 7x9; 5 b; 8 ; x(8 2); r15;
4(12 n); d7; 5 • t; 96 x
3.Name an algebraic expression for: the quotient when
the sum of three and a number is divided by two.
4.Name an algebraic expression for: the absolute
value of negative three minus a number cubed.
5.On a horizontal number line, what integer is: 2 units
left of zero, 4 units right of zero, 5 units left of zero?
6.On a horizontal number line, how many units to the
right or left of zero is each integer: 1, 6, 5, 3, 8
- What integer is suggested by a temperature of
15 degrees below zero? 6 degrees above zero? - Name the opposite integer: 5, 8, 11, 9, 4, 7
Tell what integer is one less than: 0, 3, 14, 4, 9 - Evaluate abwhen a2 and bis: 0, 3, 3, 2,
5, 9, 17, 6, 4, 10, 10^2 , 100^2 - On a horizontal number line, what integer is 7 units
to the right of 7? 1 unit to the right of 2? - Write a number sentence suggested by a number
line move from 6 to zero. from 6 to 9 - To show each of the following, show where you would
start on a number line and the number of units left or
right you would move: 2 4; 4 5; 3 2
y
4
SET 2............................................................................................................
1.When of a number is 12, what is the number?
2.If of a number is 15, what is of the same
number?
3.Find of: 60, 30, 40, 55, 35, 45, 25, 20
Find of: 72, 40, 56, 48, 24, 64, 88, 32
4.Complete: 4 (2) 4 ;
6 (7) 6 ; 5 (5) 5
5.Find the missing factor. 6( ) 36; 4( ) 16;
18 6( ); • 9 72
- Find of : 72, 81, 54, 45, 27, 63, 99, 36
7. Find the product. 2 (8); 3 (10); 4 (8);
11 9; 1 1; 6 12; 7 (2); 0 99 - Identify the property. (4 7) 2 4 (7 2);
18 0 18; 0 • (6) 0; 6 (6) 6 6 - What number makes the sentence true? Name the
property used. (15 3) (15 7) 15(3 y) - Compute and compare. (Use <, , >.) 0 1 6;
1 (7) 1 7; 1 (3) 1 3
1
9
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1
8
1
5
2
3
5
8
2
3
SET 3............................................................................................................
SET 4............................................................................................................
Mental Math 417
1.Compare. (Use <, , >.) 4 2; 4 2,
3 3; 7 6; 9 10; 5 1
2.Order from greatest to least: 3, 1, 0, 4; 5, 6, 0,
1; 6, 10, 7, 3; 2, 2, 4, 0
3.Subtract 10 from: 4, 5, 6, 4, 15, 15, 7, 7
- If n9, what number is named by: (24 6) n?
3(n12)? (45 11) n? 6n9? - Compute and compare. (Use , , .) 9 8 70;
4 12 50; 24 26 50 - How many times greater than 6 is 72?
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