Fill in the gaps:
- 2.5 + 3.9=5.4
-0.1 +0.1
2.4 + 3.0=5.4
- 4.6 + 8.1=5.4
-0.2 +0.2
4.4 + 1.0=5.4
- 3.1 + 6.3=9.4
-0.1 +0.1
3.0 + 6.4=9.4
- 2.8 + 2.5=4.3
+0.2 -0.2
2.0 + 2.3=4.3
- 4.8 + 6.7=10.5
+0.2 -0.2
4.0 + 6.5=10.5
- 13.7 + 4.5=17.2
+0.3 -0.3
13.0 + 4.2=17.2
- 5.8 + 4.6=9.4
+0.2 -0.2
5.0 + 4.4=9.4
- 9.9 + 4.6=13.5
+0.1 -0.1
9.0 + 4.5=13.5
- 6.6 + 8.8=14.4
-0.2 +0.2
6.4 + 8.0=14.4
- 4.2 + 5.8=9.0
-0.2 +0.2
4.0 + 5.0=9.0
- 7.3 + 7.5=14.8
-0.3 +0.3
7.0 + 7.8=14.8
- 11.1 + 6.8=17.9
-0.1 +0.1
11.0 + 6.9=17.9
- 5.8 + 9.3=14.1
+0.2 -0.2
5.0 + 9.1=14.1
- 7.2 + 8.4=15.6
+0.1 -0.1
7.3 + 8.3=15.6
- 13.5 + 8.9=21.3
-0.2 +0.2
13.3 + 8.0=21.3
complete these following activities:
- 6.5 + 8.1=14.4
+0.5 -0.5
6.0 + 8.4=14.4
- 9.3 + 7.4=16.3
+0.7 -0.7
9.0 + 7.3=16.3
- 6.7 + 8.3=14.6
+0.3 -0.3
6.0 + 8.6=14.6
- 4.8 + 12.3=16.1
+0.2 -0.2
4.0 + 12.1=16.1
- 7.7 + 2.6=9.3
+0.3 -0.3
7.0 + 2.3=9.3
- 12.4 + 12.9=24.3
+0.6 -0.6
12.0 + 12.3=24.3
- 9.8 + 8.8=17.6
+0.2 -0.2
9.0 + 8.6=17.6
- 7.3 + 12.4=19.3
+0.7 -0.7
7.0 + 12.3=19.3
- 15.3 + 3.7=18.0
+0.7 -0.7
15.0 + 3.018.0
Word Problem:
- I have 3.7 metres of rope and I found another 7.8 metres of rope. How much rope do I have? 10.5
- Andrew weights 45.6 kilograms and his cat weights 4.8 kilograms. How much do they both weigh in total? 50.4
- Sarah was 1.3 metres tall but she has gown another .3 metres this year. How tall is she now? 1.6
- An electrician has completed 14.4 metres of wiring in a house. He must still do another 13.6 metres of wiring. How much wiring does the house require in total? 27.0
- A designer uses 4.6 metres of blue fabric and 12.3 metres of red fabric. How much fabric has she used in total? 16.1
- To create a long red carpet two carpet are placed together. One is 12.2 metres long and the other is 14.4 metres long. How long is the red carpet in total? 26.7
- My car has 33.4 litres of petrol in it. I add another 7.5 litres of petrol. How much petrol is in my car now? 40.9
- Sue drank 1.6 litres of water and another 1.3 litres this afternoon. How much water has she drunk? 2.9
- A paddling pool had 37.3 litres of water in it. I added another 19.8 litres of water. How much water is in it now? 57.1
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