Date post: | 28-Mar-2015 |
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Petrol station (Unit: gallon)
Super Market (Unit: RM)
Food Packaging (Unit: gram)
Foreign Exchange (Unit: Various)
DecimalsAddition of Decimal
Add two to four decimalsMathematics Year 5
Let’s Warm Up
Shaded parts in decimals:
0.7
Let’s Warm Up
Shaded parts in decimals:
0.23
Let’s Warm Up
Shaded parts in decimals:
0.233
Perform the Operation
0.7
0.23
0.233
1.163
+ +
=
What’s the Different?
0.70.23
0.233
1.163
000
+
70123
1233
1426
+
Whole Number Decimals
Let’s Try Som
e
Exercises!
Set AWhat is the sum of the following? Don’t forget to show the steps!
a) 6.071 + 25 = b) 0.453 + 3.79 + 14.214 =c) 1.593 + 0.6 + 2.14 =d) Puan Maria buys 5.35 kg of red grapes, 4 kg of green grapes and 0.25 kg of dark red grapes. What is the total mass of the grapes?
31.07118.457
4.333
9.6 kg
Set BWhat is the sum of the following? Don’t forget to show the steps!
a) 16.222 + 25 + 0.4 = b) 3.2 + 0.79 + 6.000 =c) 2.89 + 0.16 + 12.022 =d) Mass of Ali : 62.25 kg
Mass of books Ali carried : 4.056 kgWhat is the total mass?
41.622
9.99
15.072
66.306 kg
Set CWhat is the sum of the following? Don’t forget to show the steps!
a) 4.23 + 2.5 + 1.412 = b) 12.201 + 4.63 + 8.010 =c) 2.2 + 4.12 + 12.042 =d) Aci buys 2.45 kg of cabbage, 2.365 kg of onion, 3.275 kg of chillies and 0.25 kg of tomatoes. What is the total mass of the vegetables?
8.142
24.841
8.34 kg
18.362
For
Enrichment..
Before We Go…
1.24700.23
4.124 25.601
+ 20
That’s All For Today.
Thank You !