BASIC 1 MATHEMATICS QUESTION 10

Strand 1: NUMBER

Sub-Strand 1: Number: Counting, Representation, Cardinality & Ordinality
CONTENT STANDARDS 1: Describe numbers and the relationship between numbers 0 to 100
INDICATORS AND EXEMPLARS 1: Use number names, counting sequences and how to count to find out “how many?”

E.g. 1. Count by 1s (forwards and backwards) between two given numbers between 0 and 100; or by 2s and 10s; Identify and correct errors or omissions in counting or skip counting sequences

-Skip count backward by 10s

TIP/CLUE: To skip count backwards by 10s, decrease or subtract the given number by 10 repeatedly.

Example:
100, 90, 80, 70, etc.
That is:
100 – 10 = 90
90 – 10 = 80
80 – 10 = 70 etc.

Fill in the missing numbers by skip counting backwards by 10s.

1. 70, ____, 50, ____, 30

2. 50, _____, 30, _____, 10

3. 100, _____, _____, 70, 60, ____

4. 90, _____, 70, 60, _____, _____

5. 120, _____, 100, ____, 80, _____

Write the missing numbers by skip counting backwards by 10s.

6.