Adding and Subtracting

Cole has 15 marbles in all. 7 are red and the rest are blue. How many marbles are blue?

• 7
• 21
• 20
• 8

Wendy found 19 butterflies and Kimmy found 4. How many butterflies did they find in all?

• 21
• 23
• 15
• 20

Aric had 35 baseball cards.
He gave 12 baseball cards to Preston.
How many baseball cards did Aric have left?

• 23
• 13
• 47
• 24

Ashley has 5 new books and 7 old books.
How many books does she have in all?

• 2
• 11
• 13
• 12

Brooklyn and Edgar found 7 leaves in all. Brooklyn found 3 leaves. How many leaves did Edgar find?

• 5
• 4
• 10
• 3

Layla saves 21 dimes.
Regan saves 18 dimes. 
How many more dimes does Layla save than Regan?

• 40
• 5
• 3
• 39

Tyler has 18 pieces of gum. 
He gives 5 pieces away.
How many pieces of gum does Tyler have now?

• 22
• 12
• 13
• 23

Scarlett has 8 marbles.
Tiernan has 5 marbles.
How many more marbles does Scarlett have than Tiernan?

• 3
• 13
• 4
• 12

Kaylin has 56 toy horses.
Eden has 9 more toy horses than Kaylin.
How many toy horses does Eden have?

• 66
• 65
• 47
• 48

Santa needs to visit 22 houses in Gypsum.  He's already visited 6. How many more does he need to visit?

• 27
• 28
• 16
• 15