Logan Simeon Add/Sub Yr 7-1 WALT solve addition problems with tenths by changing one number into a whole number.

25+39=64                                

25-01=24

39+01=40

24+40=64

46+18=65

46-02=48                                          

18+02=20

20+48=68

31+63=96

31-01=32

64+01=64

64+32=96

28+2.5=5.3   

28+02=30

25-02=23

30+23=53

48+67=115

48+02=50

67-02=65

50+65=115

137+45=182

137+03=140

45-03=42

14.0+42=182

99+46=145

99+01=1.0

46-01=45

100+45=145

6.6+88=154

88+02=90

66-02=64

90+64=154 

4.2+5.8=10.0

58+.2=60

42-2=40

60+40+100

73+75=148

75+03=78

73-3=70

70+78=148

111+68=179

68+01=69

111-01=110

110+69=179

5.8+9.3=15.1

5.8+0.2=6.0

9.3-0.2=9.1

9.1+6.0=15.1

7.2+8.4=15.6

8.4+0.2=8.6

7.2-0.2=7.0

7.0+8.6=15.6

13.5+8.9=22.4

8.9+0.1=9.0

13.5-0.1=13.4

13.4+9.0=22.4

6.5+8.1=14.6

8.1+0.5=8.6

6.5-0.5=6.0

6.0+8.6=14.6

9.3+7.4=16.7

7.4+0.3=7.7

9.3-0.3=9.0

7.7+9.0=16.7

6.7+8.3=15.0

8.3+0.7=9.0

6.7-0.7=6.0

9.0+6.0=15.0

4.8+12.3=17.1

4.8+0.2=5.0

123-02=121

121+50=171

77+26=103

77+03=80

26-03=23

80+23=103

124+129=253

129+01=130

124-01=123

123+130=253