Sniff,Swing,Swipe

Today I have published my Sniff,Swing,Swipe presentation. First we had to read through the text and answer the questions that were given to us.The next thing we did was read through the same text but screenshot what we thought was the best idea.

Nyree Mrs Judd's maths problems

1. 3.4 + 6.7 =10.1

((3+6=9) +(.4+.7=1.1)   

      

2. 12.8 + 9 = 21.8

(12+9=21) + (.8)

3. 23.2 + 38.5 = 61.7

(23+38=61)+(.2+.5)

4. 10 + 0.7 = 10.7

10+.0)+10. +0.7=10.7

5. 47.5 + 61.8 =109.3

47+61=108).5+.8=1.3)

6. 18 + 4.8 =22.8

18+4=22) +.8)

7. 33.5 + 7.6 = 41.1

33+.7=40) .5+.6=1.1)

8. 68 + 12.3 =80.3

68+12=80) +.3)

9. 19.5 + 19.5 =39

19+19=38)+.5+.5=1.0

10. 172 + 17.2 = 189.2

172+17=189) +.2) 189+.2=189.2

11. 23.3 + 4.4 = 27.6

23+4=27) .3+.4)

12. 101 + 110.1 = 211.1

101+110=211) +.1)  211+.1=211.1

SUBTRACTION!!!!!

1. 8.3 - 6.6 = 1.7

(8-2=6)  (.06-.03=.03)

2. 13.7 - 9 =4.7

(13-9=4)  (.07+0.0)

3. 29.9 - 10.5 =19.4

(29-10=19) (.09-.05=.04)

4. 10 - 4.7 = 6.7

(10-4=6) (.07+0.0=.07)

5. 40.4 - 1.9 =39.5

(40-1=39) (.09-.04=.05)

6. 11.6 - 3.8 = 8.2

(11-3=8) (.08-.06=.02)

7. 37.2 - 3.1 =34.1

(37-3=34) (.02-.01=.01)

8. 68.4 - 22.3 =46.1

(60-40=20) (.8-.2=.6) (.04-.03=.01)

9. 30 - 17.5 = 13.5

(30-17=13) (.05-.00=.05)

10. 262 - 26.2 = 236.2

(262-26=236) (.02-.00=.02)

11. 503.3 - 54.4 =449.1

(503-5=449) (.04-.03=.01)

12. 903 - 130.8 = 773.8

(903-130=773) (.08-.00=.08)

Idea city

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