Mathematics - Worded Problems involving one unknown

Mary had some flowers in her garden.  She planted 5 more.  Now she has 12 flowers in her garden.  How do you express this as an agebraic expression?

• F - 5 = 12

• F + 5 = 12

• 5 - F = 12

• 5 + F = 12

There were some cows at barn.  4 more cows were taken to the barn.  Now there are 10 cows.  How do you write that as an algebraic expression?

• C + 4 = 20

• 20 - C = 4

• 20 + C = 4

• C - 4 = 20

A pastry chef made some pies.  He made 2 more pies.  Now he has 6 pies.  How do you express this as an algebraic expression?

• P + 6 = 2

• P - 2 = 6

• 6 - P = 2

• P +2 = 6

A bakery made 8 cakes.  Some cakes were eaten.  There are 2 cakes left.  How many cakes were eaten?

• 3

• 5

• 6

• 4

   A bakery made 8 cakes.  Some cakes were eaten.  There are 2 cakes left.  How do you express this as an algebraic expression?

• 8 - C = 2

• 8 + C = 2

• C = 8 + 2

• C = 8 - 2

There were 10 flowers in the garden.  Some got picked.  Now there are 5 flowers in the garden.  How many got picked?

• 2

• 3

• 4

• 5

Mary had 7 seashells.  She lost some of them.  Now she has 3 seashells.  How do you express this as an algebraic expression?

• S - 3 = 10

• S - 7 = 3

• 7 + S = 3

• 7 - S = 3

Leo saw 2 birds in the tree.  He saw some more birds in the grass.  He saw 8 birds total.  How do you write this as an algebraic expression?

• 2 + B = 8

• 2 + 8 = B

• B + 2 = 8

• 8 + 2 = b

There were 6 oranges in a bowl.  Some oranges were eaten.  Now there are 2 oranges in the bowl.  How many were in the bowl to start with?

• 6 + 2 = R

• 2 + 6 = R

• 6 + R = 2

• 6 - R = 2

1.       Mia had some pennies.  She got 2 from her sister.  Now Mia has 5 pennies.  How many pennies did she have to start with?

• 1

• 2

• 3

• 4