Level 3
Fill in the blanks with units or unit equations.
Adam has some stickers.
Adam has 100 more blue stickers than the red and the yellow stickers.
The number of red stickers is 20 more than the number of yellow stickers.
How many more blue stickers that yellow stickers are there?
How many less red stickers than blue stickers are there?
Level 2
Fill in the blanks.
The number of boys is 2 less than the number of girls.
The number of adults is thrice the number of boys.
Let the number of girls be 1 u.