Numbers, Operations and Relationships - Term 2 Flashcards
Add one tenth to the following:
a) 5,5
b) 6,35
c) 0,93
a) 5,6
b) 6,45
c) 1,03
Add one hundredth to the following:
a) 5,5
b) 6,35
c) 0,93
d) 5,89
a) 5,51
b) 6,36
c) 0.94
d) 5,9
Add one thousandth to the following:
a) 5,5
b) 6,35
c) 0,931
d) 5,899
a) 5,501
b) 6,351
c) 0,932
d) 5,9
Subtract one tenth from the following:
a) 5,5
b) 6,35
c) 0,93
a) 5,4
b) 6,25
c) 0,83
Subtract one hundredth from the following:
a) 5,5
b) 6,35
c) 0,931
a) 5,49
b) 6,34
c) 0,921
Add two more numbers to the pattern:
0,4; 0,5 0,6;
0,7; 0,8
Add two more numbers to the pattern:
24,6; 25,1; 25,6;
26,1; 26,6
Arrange these numbers in descending order:
0,07; 0.01; 0,005; 0,3; 0,075
0,3; 0,075; 0,07; 0,01; 0,005
0,5 + 0,6 =
1,1
1,4 + 1,7 =
3,1
3,7 - 2,8 =
0,9
Write the decimal for seven tenths.
0,7
Write the decimal for fifteen and two tenths.
15,2
Write 25/100 as a decimal.
0,25
Round off 1.34 to one decimal place.
1,3
Round off 5,67 to one decimal place.
5,7
What is 475 ÷ 19
25
\_\_\_\_\_\_
19| 475
-38
95
-95
0
So the answer is 25
Do this by long division: 1485 ÷ 33
45
16 classmates club together to buy their teacher a gift for R432. How much is each child’s contribution?
R27
If you feel your long division is a bit rusty, ask Donald. He has some worksheets for you.
How exciting!
What is South Africa divided by Jacob Zuma?
Eish
What is the area of a 40m x 50m rectangle?
40 x 50 = 2000sq m
23 x 43 =
989
_ ÷ 342 = 321
109782
What is 422 x 36?
15192
What does commutative mean?
An operation is commutative if a change in the order of the numbers does not change the result.
Is multiplication commutative?
Yes
Is subtraction commutative?
No
What does associative mean?
An operation is commutative if a change in the grouping does not change the result.
What does distributive mean?
A factor can be broken apart. E.g. 3 x 12 = (3x10) + (3x2)
