Subtraction
Addition
Decimals
Fractions
multiplication
100

There are 70 dogs in a park.  23 dogs leave.  How many are left?

47

100

There were 78 birds on a fence.  24 more landed on the fence.  How many birds are there in all?

102

100

I had .80 in change.  I found .17 more cents in change.  How much money do I have now?

0.97
100

I have a whole pizza.  If I eat 1/2 of the pizza, how much do I have left?

1/2

100

There are two cookies in a pack.  If I have three packs, how many cookies do I have?

6

200

There are 700 birds in a field.  157 flew away.  How many birds are left?

543

200

There were 127 markers in a box.  My mom bought me 75 more.  How many markers do I have now?

202

200

My friend ate 1.50 pieces of cake.  I ate 3 pieces of cake.  How much cake did we eat in all?

4.5 

200

I have 4 boxes of crackers.  If I give 3/4 of the boxes away, how many boxes do I have left? 

1/4 or 1

200

There are 24 crayons in a box.  If I have 3 boxes, how many crayons do I have?

72

300

There were 2709 trees in a park.  The park rangers cut down 378.  How many trees are left?

2331

300

There were 1278 fish in a tank.  The own bough 764 more fish.  How many fish are there now?

2042

300
The football team ran rushed for 78.5 yards.  The opposing team ran for 95.6 yards.  How many yards did they have in total?

174.1 yards

300

If I have 2 pizzas that have 8 slices each, and we eat 4 slices, what is the fraction of pizza that is left?

1 1/2 pizzas

300

There are 68 marbles in each bag.  If I have 4 bags, how many marbles do I have?

272

400

There were 5000 students on a college campus.  2379 left for the holidays.  How many students are left?

2621

400

There were 10987 people at a football game before kickoff.  After kickoff 2768 more people came to the game.  How many people are at the game now?

13755

400

I have $87.65 and I spend $21.99 on a new toy.  How much money do I have left?

$65.66

400

There are 5 friends and they each have 3/4 of a piece of cake.  How much cake do they have all together?

3 3/4 pieces of cake total

400

There are 24 kids in each class, how many kids are there in 22 classes?

528