BASIC 2 MATHEMATICS QUESTION 3

STRAND 1: Number

SUB-STRAND 1: Counting, Representation, Cardinality & Ordinality
CONTENT STANDARD: Count and estimate quantities from 0 to 1000 

INDICATORS AND EXEMPLARS:
INDICATOR: Use number names, counting sequences and how to count to find out “how many?”
  
(E.g. 1.  Skip count forwards and backwards to and from 1000 respectively by 2s, 5s and 10s, starting at 0 or at multiples of 2, 5, 10, 50 and 100; Identify and correct errors or omissions in counting or skip counting sequences)
 
-Skip counting backwards by 2s
 
The table below shows skip counting backwards by 2s from 100. Use it as a guide when answering the questions below.
 

 

Fill in the missing numbers by skip counting backward by 2s.
 
Tip: To skip count backwards by 2s, deduct 2 from the number given.
Example: From 10, the next number when skipped backwards by 2s is 8. This is because when 2 is deducted from 10 the results is 8. 10-2=8
 
1. 20, ___, ____, 14, 12, ____, ____

2. 12, ___, 8, ___, ___, ____

3. 28, 26, ___, ____, ____, 18, ___

4. 10, ___, ___, ___, 2

5. 30, ___, 26, ___, ___, ___, 18

6. 38, ___, ____, 32, ___, 28

7. 40, 38, ___, ____, 32, ___, 28

8. 50, ___, 46, ___, ____, ____, 38

9. 60, 58, ___, ___, 52, ___, ____

10. 70, ___, 66, ___, ____, 60, ___

1. 20, 18, 16, 14, 12, 10, 8

2. 12, 10, 8, 6, 4, 2

3. 28, 26, 24, 22, 20, 18, 16

4. 10, 8, 6, 4, 2

5. 30, 28, 26, 24, 22, 20, 18

6. 38, 36, 34, 32, 30, 28

7. 40, 38, 36, 34, 32, 30, 28

8. 50, 48, 46, 44, 42, 40, 38

9. 60, 58, 56, 54, 52, 50, 48

10. 70, 68, 66, 64, 62, 60, 58