396 P4.WN.NK.22120806
Level 3
The total age of David and his mother is 55 years now. David's mother is 4 times as old as her son. How old will David be in 8 years' time?
4 m
Times as many Unchanged difference Units table
397 P4.WN.JM.17102295
Level 2
Jenny is 9 years old now. She is 24 years younger than her mother. In how many years' time will Jenny's mother be thrice as old as Jenny?
4 m
More than or less than Times as many Unchanged difference Units table
398 P4.WN.JM.17102296
Level 2
Jean was 8 years old and her mother was 41 years old last year. In how many years' time will Jean's mother be 4 times as old as Jean?
4 m
Times as many Unchanged difference Units table
399 P3.WN.PR.17102579
Level 3
John spent 2 h 30 min to complete his Science and English assignments. He spent 30 min more on his Science assignment than his English assignment. How long did he take to complete his English assignment?
4 m
W 4 operations Time Duration Model Comparison Units method
400 P3.WN.PR.17102583
Level 3
At sunrise an ant began jumping up a 2-metre sand hill. Every hour, it was able to climb up 40 cm, but then slid back 30 cm due to the loose sand. How long did it take the ant to reach the top?
4 m
W 4 operations Length Unit conversion Time

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