Adding and subtracting numbers with tenths/hundredths- Tuesday and Wednesday Questions

Octagons - Answer the following questions using the correct strategy such as rounding and compensating,  making tidy numbers and making whole numbers.

These are my Tuesday and Wednesday Questions that I have answered. WALT Add and subtract numbers with tenths/hundredths.

1. 2.34+ 3.56 = 5.90

 -0.34  +0.34

2.00 + 3.90= 5.90

2. 7.32+3.92 = 11.26

  -0.08 +0.08

7. 24 + 4.00= 11.24

3. 12.45 + 12.99 = 25.44

   -0.01    +0.01

12.44 + 13.00= 25.44

4. 45.05 + 193.03 = 238.08

    +0.03    -0.03

45.08 + 193= 238.08

5. 385.32 + 59.07 = 444.39

  +0.07       -0.07

385.39 + 59= 444.39

6. 83.35 - 33.92 = 117.43

   +0.08    +0.08

83.43 + 34= 117.43

7. 72.83 - 12.92 = 59.09

  +0.08     +0.08

72.91 - 13.00= 59.09

8. 28.48 - 12.03 = 16.45

   -0.03    -0.03

28.45 - 12.00= 16.45

   

9. 37.03 - 13.04 = 24.99

  -0.03    -0.03

37.00 - 13.01= 24.99

10. 853.37 - 384.44 = 468.93

    -0.37      -0.37

853.00 - 384.07= 468.93

11. 84.01 - 38.38 = 45.63

     -0.01    -0.01

84.00 - 38.37= 45.63

12. 484.93 - 375.53 = 109.40

     +0.07     +0.07

485.00 - 375.60= 109.40