Missing addends word problems

Sally read 6 pages before lunch. Then she read some more pages after lunch. Altogether she read 12 pages. How many did she read after lunch?

• 6+N=12 She read 6 pages after lunch.

• 6+12=18 She read 18 pages after lunch

Sam picked some apples. Then he picked 5 more. He picked 12 apples altogether. How many apples did Sam first pick?

• 5+12=17 Sam pick 17 apples first.

• 5+N=12 Sam picked 7 apples first

There are 7 first graders on the bus, and 4 second graders. How many students are altogether are on the bus?

• 4+N=7 There are 7 students altogether

• 7+4=11 There are 11 students altogether

There are 13 students in the first grade class. 7 are boys and the rest are girls. How man girls are in the first grade class?

• 13=N+7 There are 6 girls in the class

• 13+7=20 There are 20 kids in the class

David folded 4 paper airplanes on Wednesday. Then he folded 9 on Thursday. How many did he fold in all?

• 4+N=9 He folded 5 paper airplanes altogether

• 4+9=13 He fold 13 paper airplanes altogether

Bob ran some laps at the school. George ran 4 more laps. In all there are 13 laps. How many laps did Bob run?

• N+4=13 Bob ran 9 laps

• 4+13=17 Bob ran 17 laps

Laura wrote 8 notes and Samantha wrote 4 notes. How many did they write altogether?

• 4+N=8 They wrote 4 notes altogether

• 4+8=12 They wrote 12 letters altogether.

Emily had 14 chocolates. She gave some to Emily, and now has 8 chocolates. How many did she give to Emily?

• 14=N+8 Emily now has 6 chocolates

• 14+8=22 Emily now has 22 chocolates

There were 9 boys at the party and 6 girls. How many kids altogether?

• 9=6+N There were 3 students at the party

• 9+6=15 There were 15 students altogether

Grace had some books. Then Bob gave her 11 more. Now she has 16 books. How many books did Grace start with?

• N+11=16 Grace started with 5 books

• 11+16+27 Grace started with 27 books