OPM1501 Exam Due 18 October 2024

OPM1501
QUESTION 1


1) 72÷8=9


The answer is ×9\times 9×9.
=9


2) 270−210=60


The answer is
−60.


3) 135÷5=27


The answer is
÷27.




4) 90−170=−80


The answer is + (−80)+ (-80)+
(−80) or −80

, QUESTION 2


2.1 Patterns

Number set Pattern or not a pattern Description
7; 8; 10; 12; 14;… a) Pattern b) Increases by 2, then by 2


14; 28; 34; 41; 48;… c) Not a Pattern d) Increases inconsistently



8; 16; 24; 48;… e) Not a Pattern f) First increases by 8, then by 24




2.1. Identifying Patterns

Set 1: 7; 8; 10; 12; 14; ...
Pattern or not: Yes, it is a pattern.
Description: The sequence increases by 1, then by 2, then by 2 again. It follows an
alternating pattern.
Set 2: 14; 28; 34; 41; 48; ...

Pattern or not: Yes, it is a pattern.

Description: The numbers increase by different values: +14 +6+7, and then +7 There's
a consistent increase after the first step.



Set 3: 8; 16; 24; 48; ...

Pattern or not: No, it is not a consistent pattern.
The sequence first increases by 8, then by another 8, and then by 24. There isn't a
regular difference between the terms.

2.2. Illustrating Numbers Using Base 10 Blocks