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Grade 4 Mathematics Online Lessons on Mass
Work out:
a) 45 kg + 60 kg
b) 59 kg + 84 kg
(1m 9s)
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1.
Complete the table below: Number of ½ kg masses
2.
Complete the table below: Number of #1/4# kg masses
3.
How many ½ kg packets can be obtained from: a) 4 kg of sugar b) 6 kg of wheat
4.
How many #1/4# kg packets can be obtained from: a) 4 kg of salt? b) 6 kg of millet
5.
How many kilograms of sugar are there in six #1/4# kg packets of rice?
6.
Kerubo bought six kilograms of beans. She packed the beans in ½ kg packets. How many packets did she get?
7.
Mbui packed two kilograms of groundnuts in #1/4# kg packets. How many packets did he get?
8.
A business woman had 8 kg of sorghum. She packed the sorghum in ½ kg packets. How many packets did she get?
9.
Mwilu had twelve ¼ kg packets of salt. How many kilograms of salt did he have?
10.
Keziah bought eighteen ½ kg tins of cooking fat. How many kilograms of cooking fat did she buy?
11.
Work out: add kilograms
12.
Work out: (adding mass in kilograms)
13.
Work out: a) 45 kg + 60 kg b) 59 kg + 84 kg
14.
Work out: a) 144 kg + 98 kg b) 2460 kg + 540 kg
15.
Lang’at bought 125 kg of maize. Ahmed bought 180 kg of maize. How many kilograms of maize did they buy altogether?
16.
Kungu bought 329 kg of rice. Njeri bought 465 kg of rice. How many kilograms of rice did they buy altogether?
17.
Sekunda bought 1354 kg of fertilizer in March. In April he bought 895 kg of fertilizer. How many kilograms of fertilizer did he buy altogether?
18.
Work out: subtract kilograms
19.
Work out: subtracting kilograms
20.
Mutai had 85 kg of fish. He sold 69 kg of the fish. How many kilograms of the fish remained?
21.
A trader had 850 kg of onions. She sold 575 kg of the onions. How many kilograms of onions remained?
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