Adding decimals 2 week 6

 Adding Decimals 2.

Add the decimals and whole numbers to answer the questions below. Remember to show your working you can do this by writing it in the document or inserting a photo. 

Question	Working and answer
3.55 + 7.91 = 11.46	3 + 7 = 10 0.5 + 0.9 = 1.4 0.05 + 0.01 = 0.06 = 11.46
2.34 + 4.95 = 7.29	2 + 4 = 6 0.3 + 0.9 = 1.2 0.04 +  0.05 = 0.09 6 + 1.2 + 0.09 = 7.29
1.56 + 4.59 = 6.15	1 + 4 = 5 0.5 + 0.5 = 1 0.06 + 0.09 = 0.15 5 + 1 + 0.15 = 6.15
7.93 + 6.73=14.66	7 + 6 = 13 0.9 + 0.7 = 1.6 0.03 + 0.03 = 0.06 13 + 1.6 + 0.06 = 14.66
23.76 + 2.57= 26.33	23 + 2 = 25 0.7 + 0.5 = 1.2 0.06 + 0.07 = 0.13 25 + 1.2 + 0.13 = 26.33
2.34 + 5.37 = 7.71	2 + 5 = 7  0.3 + 0.3 = 0.6 0.04 + 0.07 = 0.11 7 + 0.6 + 0.11 = 7.71
0.4 + 0.57 = 0.61	0.4 + 0.57 = 0. 61
4.57 + 6.88 = 11.45	4 + 6 = 10  0.5 + 0.8 = 1.3 0.07 + 0.08 = 0.15 10 + 1.3 + 0.15 = 11.45
1.79 + 4.44 = 9.23	1 + 7 = 8 0.7 + 0.4 = 1.1 0.09 + 0.04  = 0.13 8 + 1.1 + 0.13 = 9.23
8.47 + 6.53 = 15	8 + 6 = 14 0.4 + 0.5 = 0.9 0.07 + 0.03 = 0.1 14 + 0.9 + 0.1 = 15

Try these subtraction problems.  You can use add don’t subtract.

Question	Working and answer
2.2 - 1.7 = 0.5	2.2 - 1 = 1.2 1.2 - 0.7 = 0.5
4.8 - 2.5 = 2.3	4 - 2 = 2 0.8 - 0.5 = 0.3 2 + 0.3 = 2.3
1.9 - 1.3 = 0.6	1 - 1 = 0 0.9 - 0.3 = 0.6
2.22 - 0.43 = 1.79	2.22 - 40 = 1.82 1.82 - 3 = 1.79
3.52 - 1.64 = 1.90	3.52 - 1 = 2.54 2.54 - 0.60 = 1.94 1.94 - 4 = 1.90