Numbers, Operations and Relationships - Term 2 Flashcards

1
Q

Add one tenth to the following:

a) 5,5
b) 6,35
c) 0,93

A

a) 5,6
b) 6,45
c) 1,03

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2
Q

Add one hundredth to the following:

a) 5,5
b) 6,35
c) 0,93
d) 5,89

A

a) 5,51
b) 6,36
c) 0.94
d) 5,9

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3
Q

Add one thousandth to the following:

a) 5,5
b) 6,35
c) 0,931
d) 5,899

A

a) 5,501
b) 6,351
c) 0,932
d) 5,9

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4
Q

Subtract one tenth from the following:

a) 5,5
b) 6,35
c) 0,93

A

a) 5,4
b) 6,25
c) 0,83

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5
Q

Subtract one hundredth from the following:

a) 5,5
b) 6,35
c) 0,931

A

a) 5,49
b) 6,34
c) 0,921

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6
Q

Add two more numbers to the pattern:

0,4; 0,5 0,6;

A

0,7; 0,8

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7
Q

Add two more numbers to the pattern:

24,6; 25,1; 25,6;

A

26,1; 26,6

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8
Q

Arrange these numbers in descending order:

0,07; 0.01; 0,005; 0,3; 0,075

A

0,3; 0,075; 0,07; 0,01; 0,005

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9
Q

0,5 + 0,6 =

A

1,1

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10
Q

1,4 + 1,7 =

A

3,1

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11
Q

3,7 - 2,8 =

A

0,9

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12
Q

Write the decimal for seven tenths.

A

0,7

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13
Q

Write the decimal for fifteen and two tenths.

A

15,2

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14
Q

Write 25/100 as a decimal.

A

0,25

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15
Q

Round off 1.34 to one decimal place.

A

1,3

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16
Q

Round off 5,67 to one decimal place.

17
Q

What is 475 ÷ 19

A
25
   \_\_\_\_\_\_
19| 475
    -38
        95
       -95
         0

So the answer is 25

18
Q

Do this by long division: 1485 ÷ 33

19
Q

16 classmates club together to buy their teacher a gift for R432. How much is each child’s contribution?

20
Q

If you feel your long division is a bit rusty, ask Donald. He has some worksheets for you.

A

How exciting!

21
Q

What is South Africa divided by Jacob Zuma?

22
Q

What is the area of a 40m x 50m rectangle?

A

40 x 50 = 2000sq m

23
Q

23 x 43 =

24
Q

_ ÷ 342 = 321

25
What is 422 x 36?
15192
26
What does commutative mean?
An operation is commutative if a change in the order of the numbers does not change the result.
27
Is multiplication commutative?
Yes
28
Is subtraction commutative?
No
29
What does associative mean?
An operation is commutative if a change in the grouping does not change the result.
30
What does distributive mean?
A factor can be broken apart. E.g. 3 x 12 = (3x10) + (3x2)