D1-L13 Decimals Practice : Notation, Place Value, Compare and Order

DECIMAL NUMBERS – D1                      Date/Time:               Tutor:

(Part 1) Revise (20mins)                                        Start Time:                 

1. Notation and Place Value, Comparing and Ordering of Decimals (up to 3 d.p) 

2. Comparing and Ordering Decimals, Using Number Lines

3. Conversion of Decimals and Fractions

(Part2) Practice (45 mins)                                      Start Time:

Express each decimal as a fraction or a mixed number in its simplest form

1.  0.4 =         

2.  1.6 =                     

Express each fraction or mixed number as a decimal.

3.   ¼ = 

4.  3/8 = 

Express each fraction or mixed number as a decimal.

5.  4 ½ = 

6.  2 2/5 = 

7.  Which is the greatest?

         3.5,       2.8,       3.04,      4.4

8.  Which is the smallest?

         64.049,      68.123,       65.408,       67.637

9. Arrange these numbers in decreasing order.

         6.606,        6.66,           6.6,             6.066

Round each decimal to 2 decimal places.

10.   8.123

11.   2.367

12.  99.999  

13.   In the number pattern below, what is the missing number in the box? (6/p1/18f)
         9.25,     9.55,      9.85, ?  ,     10.45

14. Express 0.15 as a fraction in the simplest form. (7/p1/18f)

(1)  3/10

(2)  3/15

(3)  3/20
(4)  3/25               

                                                                                                    

15*.  Round off 70.171 to the nearest tenth.

16.* Which digit in 68.57 is in the tenth place?

17*. In the number line below, what is the number indicated by the arrow?

                

(1) 9.88 

(2) 10.05 

(3) 10.15 

(4) 10.42                                                                                                        (           )

18.  In 356.174, what does the digit 7 stand for? (1/p1/18s)

(1) 7 thousandths

(2) 7 hundredths

(3) 7 tenths

(4) 7 tens                                                                                                       (           )

19.  Which one of the following numbers is the largest? (4/p1/18s)

(1) 0.8

(2) 0.72

(3) 0.098

(4) 0.605                                                                                                        (           )

20.  Simon’s height is 1.85 m. Round off his height to the nearest tenth. (19/p1/18s)

Answer Keys

1.   2/5
2.   1 2/5
3.    0.25
4.    0.375
5.   4.5
6.   2.4
7.   4.4
8.   64.049
9.   6.66, 6.606, 6.6, 6.066
10.  8.12
11.  3.37
12.  1.00
13.  3
14.  3
15.  7.02
16.  5
17.  102
18.  2
19.  1
20.  1.9m