Decimals
Hong Kong
Stage 2
Solve problems involving addition or subtraction of decimal numbers
Interactive practice questions
Caitlin was measuring how much she and her brother Bill grew over two years.
In the first year Caitlin grew $6.5$6.5 cm and Bill grew $3.5$3.5 cm. In the second year Caitlin grew $4.4$4.4 cm and Bill grew $7.4$7.4 cm.
How much did Bill grow over the two years?
Easy
< 1min
Dave trains $3$3 days a week. On Monday he ran $5.4$5.4 km, on Wednesday he ran $7.6$7.6 km and on Friday he ran $3.2$3.2 km. How far had he run in total before Friday?
Easy
1min
Fred is baking a large chocolate cake. The recipe calls for $1.25$1.25 kg of sugar. If Fred has added $0.81$0.81 kg of sugar so far, how much more does he need to add?
Easy
1min
Ryan bought $4.35$4.35 kg of red and green grapes for school lunches. If $1.7$1.7 kg were red grapes, how many kg were green grapes?
Medium
1min
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