Missing Sum
There are 10 ducks in the pond. 4 more ducks swim in. How many ducks are there altogether?
14 Ducks
There are 12 apples in a basket. 7 are red. How many are green?
5 green apples
Lily has 3 red balloons, 4 blue balloons, and 5 yellow balloons. How many balloons does she have in all?
12 balloons
There are 9 zebras.
8 more zebras join.
How many zebras are there now?
Which equations show the problem?
A) 9 = 8 + ?
B) ? = 9 + 8
C) ? + 8 = 9
D) 8 + 9 = ?
Write the equation that matches this problem with ? as the unknown
There are 14 kids on the playground. 8 are on the swings. How many kids are not on the swings?
14 = 8 + ?
Noah has 11 crayons. His teacher gives him 6 more crayons. How many crayons does Noah have now?
17 crayons
Ben has 18 blocks. 9 are blue. The rest are red. How many blocks are red?
9 red blocks
There are 6 birds in one tree, 5 birds in another tree, and 4 birds on the ground. How many birds are there altogether?
15 birds
Katarina sees some blue butterflies and some
orange butterflies.
She sees 15 butterflies in all.
How many butterflies are blue and how many
are orange?
A) ? = ? + 15
B) 15 = ? + ?
Write the equation that matches this problem with ? as the unknown.
Lily has 4 balloons, 6 more balloons, and 3 more balloons. How many balloons does she have in all?
4 + 6 + 3 = ?
Ben has 9 toy cars. He gets 3 more for his birthday. How many toy cars does he have altogether?
12 toy cars
Emma has 17 beads. 12 are blue. How many beads are not blue?
5 blue beads
There are 4 kids on the swings, 3 on the slide, and 6 playing tag. How many kids are on the playground altogether?
Bob puts 5 roses, 3
daisies, and 5 tulips
in a vase. How many
flowers are in the
vase?
Which equation matches the problem?
A. 9 + 0 = 9
B. 5 + 5 + 3 = 15
C. 5 + 3 + 5 = 13
Write the equation that matches this problem using ? as the unknown.
Mia has 7 stickers. Her friend gives her 6 more. How many stickers does Mia have now?
6 + 7 = ?
There are 8 kids on the playground. 6 more kids come out to play. How many kids are on the playground now?
14 kids
There are 14 kids in line. 8 are boys. How many are girls?
6 girls
There are 9 students sitting at tables, 4 on the carpet, and 3 at the reading center. How many students are there altogether?
16 students
Sean has 10 fish in a tank.
He puts 7 more in the tank.
How many fish does Sean have in all?
A) 10 – 7 = 3
B) 10 + 7 = 16
C) 10 + 7 = 3
D) 10 + 7 = 17
Write the equation that matches the problem using ? as the unknown.
There are 11 kids in class. 7 more kids arrive. How many kids are there now?
11 = 7 + ?
Ava reads 7 pages in the morning and 8 pages at night. How many pages does she read in total?
15 pages
There are 11 cookies on a plate. 5 are chocolate chip. How many are sugar cookies?
6 sugar cookies
There are 9 red balloons, 8 blue balloons, and 3 green balloons. How many balloons are there in all?
19 Balloons
A clown has 15 balloons.
He keeps 9 and gives some away.
How many balloons does the clown give
away?
A) 9 + ? = 15
B) 5 + 9 = ?
C) ? + 15 = 9
D) 15 + 9 = ?
Write the equation that matches the problem using ? as the unknown.
Ava has 16 beads. 9 are red. How many beads are not red?
16 = 9 + ?