Subtract
84-67
27
42-16
42-16=26
26+16=42
Ken makes treasure boxes, too. He puts 6 shells on each box. How many shells does he need to make 6 boxes?
Boxes 1 2 3 4 5 6
Shells 6 12 18 24 30 36
Drawing may vary
Daryl glues 27 red stars on his puppet. Then he glues on 35 blue stars. How many more blue stars does he use than red stars?
35-27=8
40-22
40-22=18
18+22=40
Cory makes boxes with 12 pieces of pasta on each box. How many pieces of pasta does she need to make 4 boxes?
Boxes 1 2 3 4
Pasta 12 24 36 48
Brian paints 28 stones. He paints 12 of them blue. He paints a small fish on 7 others. He gives away a dozen stones. How many stones does he keep?
28-12=16 stones
Kim needs 25 buttons for her project. She has 18 buttons. How many more buttons does she need?
28-18=7
7+18=25
7 more buttons
Rob has 51 paper shapes for his project. He cuts out 19 more. His teacher gives him a dozen more. How many paper shapes does Rob have then?
51+19+12=82
82 paper shapes
Ed an Pam star with 90 beads each. After they string the beads, Ed has 43 beads and Pam has 52 beads. Altogether how many beads were strung?
1. 90-43=47
2. 90-52=38
3. 47+38=85
Marco glues 14 big shells onto a box. He also glues double that number of small shells onto the box. Then 7 of the shells fall off. How many shells are left on the box?
14+14=28
28+14=42
42-7=35
35 shells
Add to Check: 35+7=42
Jason's friends make origami boxes for a class party. They make 19 boxes on Monday and double that many on Tuesday. How many boxes do they make altogether?
19+19=38
38+19=57
57 boxes
Robin and Derek make scrapbooks. Robin uses 34 sheets of paper. Derek uses 41 sheets of paper.
Write a subtraction question and solve the problem.
How many more sheets of paper did Derek use than Robin?
41-34=7
Karen has a basket she wants to fill with paper flowers. She has 29 paper tulips and 15 paper roses for her basket.
Write a subtraction question to complete the problem and solve.
How man more paper tulips than paper roses does Karen have?
29-15=14
Karen has 14 more paper tulips than paper roses.
14+15=29
Walter makes 57 origami birds. Ten are penguins, 34 are swans, and the rest are owls. How many of the birds are owls?
57-10=47
47-34=13
13 owls