476 P3.WN.JM.17110442
Level 3
Peter and Oscar had 180 stickers altogether. After Peter gave 21 stickers to Oscar, Peter had 3 times as many stickers as Oscar. How many stickers did Oscar have at first?
4 m
W 4 operations Internal transfer Model Times-as-many Units method
477 P3.WN.JM.17110443
Level 3
Bus A and Bus B had a total of 180 passengers. When 16 passengers from Bus A moved to Bus B, Bus A had 4 times as many passengers as Bus B. How many passengers were there in Bus B at first?
4 m
W 4 operations Internal transfer Model Times-as-many Units method
478 P3.WN.JM.17110459
Level 3
There are 184 paper clips in Box X. There are 4 times as many paper clips in Box Y as in Box X. How many paper clips must be transferred from Box Y to Box X so that there is an equal number of paper clips in each box?
4 m
W 4 operations Equal stage after Internal transfer Model Times-as-many Units method
479 P3.WN.JM.17110841
Level 3
Mandy and Leon shared 3160 stamps. After Mandy gave Leon 20 stamps, Mandy had 3 times as many stamps as Leon. How many stamps did Leon have at first?
4 m
W 4 operations Internal transfer Unchanged total Model Times-as-many
480 P3.WN.JM.17110793
Level 3
Sarah is 3 years old. Her father is 29 years old. How old will Sarah be when her father is three times her age?
4 m
W 4 operations Times as many Unchanged difference Units table

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