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Thermometer Read the temperature on the thermometer as it changes. 0 -10 -20 -30 10 20 30 40 50 60 oCoC
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. 20 0 C
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. 50 0 C
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. 25 0 C
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. 00C00C
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. -10 0 C
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. -5 0 C
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. -20 0 C
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. -15 0 C
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0 -10 -20 -30 10 20 30 40 50 60 oCoC Read the temperature on the thermometer as it changes. -25 0 C
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Difference What is the difference in temperature between the two thermometers? 40 degrees 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 15 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 30 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 30 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 65 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 10 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 20 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 15 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 10 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 20 degrees
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What is the difference in temperature between the two thermometers? 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 70 degrees
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Sea level 0m 10m 20m 30m -10m -20m -30m Estimate the height above or below sea level of the following points: 15m -10m 5 m 20 m 6 m -15 m -25 m -30 m 25 m -5 m 30 m -25 m
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50m -20m -40m -60m 0m 20m 40m 60m -10m 40m 50m -10m -5m -30m - 40m - 25m - 60m Estimate the height above or below sea level of the following points: 57m 15m
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Calculate the difference in height between the following: 15m -10m 5 m 20 m 6 m -15 m -25 m -30 m 25 m -5 m 30 m -25 m The helicopter and the lighthouse: 15m The dolphin and the seal: 10m The hot air balloon and the lobster: 30m The boat and the fish. 21m The flock of birds and the sea horse. 50m 30m The dolphin and the jelly fish.The lobster and the anchor. 20m The jelly fish and the sea horse. 0m The helicopter and the anchor. 60m
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50m -10m 40m 50m -10m -5m -30m 15m - 40m - 25m - 60m 57m Calculate the difference in height between the following:The hang glider and the aeroplane: The kite and the seagull:The kite and the diver:The hot air balloon and the octopus.The seagull and the nautilus.The diver and the octopus.The turtle and the submarine. The pearl and the submarine. The diver and the sextant. 17m 35m55m60m 40m 5m 30m 10m 55m The hot air balloon and the pearl. 80m The hang glider and the sextant. 117m
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Number Line Negative Numbers on the Number Line 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 Negative numbers are useful for representing quantities that can have values below zero. Examples include temperature, debt and heights below sea level. The part of the number line that consists of the positive and negative whole numbers, together with zero, are called the integers. To add numbers on a number line simply count to the right. 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 ADD + Subtract - To subtract numbers on a number line simply count to the left.
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01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 Adding + 2 + 5 = 7 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 0 + 6 =6 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 -3 + 7 =4 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 -5 + 5 =0 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 - 4 + 7 =3 Negative Numbers on the Number Line
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2 - 1 + 3 =1- 4 + 5 =2- 6 + 9 =3- 7 + 12 =4- 6 + 10 =5- 8 + 8 =6- 9 + 6 =7- 5 + 4 =8- 10 + 20 =9- 15 + 8 =10 1 3 5 4 0 -3 10 -7 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 Adding + You may use the number line if you wish, to answer the following: Negative Numbers on the Number Line
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01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 Subtracting - 7 - 5 = 2 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 6 - 6 =0 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 4 - 7 =-3 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 0 - 5 =-5 01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 - 2 – 7 =-9 Negative Numbers on the Number Line
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01 234 5 6 7 8 9 10 -2 -3 -4 -5 -6 -7 -8 -9 -10 Subtracting - You may use the number line if you wish, to answer the following: 4 7 - 3 =14 - 4 =23 - 5 =31 - 8 =40 - 6 =5- 1 - 1 =6- 2 - 3 =7- 5 - 3 =8- 7 - 3 =9- 3 - 12 =10 0 - 2 - 7 - 6 -2 -5 -8 -10 -15 Negative Numbers on the Number Line
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Blank Scale 1 0m m m m m m m Estimate the height above or below sea level of the following points: m m m m m m m m m m m m
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Blank Scale 2 Estimate the height above or below sea level of the following points: m m m m 0m m m m m m m m m m m m m m m
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Blank difference 1 m m m m m m m m m m m m
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Blank difference 2 m m m m m m m m m m m m
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Blan k Ther mo met er 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC 0 -10 -20 -30 10 20 30 40 50 60 oCoC
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