-1oC It is 4oC The temperature drops by 5 degrees Keep on clicking to continue to next … It is 4oC 4 3 2 1 -1 -2 -3 The temperature drops by 5 degrees What temperature is it now? -1oC
+1oC It is -2oC The temperature rises by 3 degrees 4 3 2 1 -1 -2 -3 4 3 2 1 -1 -2 -3 4 3 2 1 -1 -2 -3 4 3 2 1 -1 -2 -3 The temperature rises by 3 degrees What temperature is it now? +1oC
-5oC It is 10oC The temperature drops by 15oC 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 The temperature drops by 15oC What is the temperature now? -5oC
-5oC It is 15oC The temperature drops by 20oC 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 It is 15oC The temperature drops by 20oC What is the temperature now? -5oC
20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 15 - 20 = -5
20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 -15+10 = -5
20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 20 15 10 5 -5 -10 -15 -15+20 = +5
WELL DONE!! SOURCE: Mathematics & Numeracy: negnum http://www.icteachers.co.uk/resources/resources_numeracy.htm