21 P3.WN.JM.17110713
Level 2
There are some cows and ducks at a farm. There are thrice as many ducks as cows. The total number of legs from the cows and ducks is 60. How many cows are there?
4 m
Number x value Units table
22 P3.WN.JM.17110835
Level 3
Steven and Ting Ting shared 400 cubes equally. After Steven gave away some cubes, Ting Ting has 8 times as many cubes as Steven. How many cubes did Steven give away?
4 m
W 4 operations Equal stage before Unchanged quantity Model Times-as-many Units table
23 P3.WN.JM.17110834
Level 3
Jake had $56 more than Salim. After Jake had spent $12, Jake had 3 times as much money as Salim. How much money did Salim have?
4 m
W 4 operations Money Unchanged quantity Model Comparison Model Times-as-many Units table
24 P3.WN.JM.17110837
Level 3
Ken had 6 times as much money as Andrew. After Ken had spent half of his money, he had $34 more than Andrew. How much money did Ken have at first?
4 m
W 4 operations Fraction of a whole Unchanged quantity Model Comparison Model Times-as-many Units table
25 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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