Adding Three Numbers

Make a 10

100

2+9+1

12

200

8+2+5

15

300

6+9+4

19

400

7+1+3

11

500

9+6+1

16

Doubles

100

7+7+2

16

200

5+2+5

12

300

6+6+1

13

400

8+2+8

18

500

Which adding equation is bigger?

7+7+1 or 7+1+7

Neither

Word Problems

100

Mark grabs 5 balloons. Sarah grabs 3 balloons. Anthony grabs 5 balloons. How many balloons do they have all together?

13

200

I have 6 dogs, 6 cats, and 2 lizards. How many pets do I have?

14

300

My friend says that 8+8+2 is the same as 8+2+8. Do you agree? Why or why not?

Yes because they both have the same numbers, which means 8+8+2 and 8+2+8 equal 18.

400

Jessica has the 4 boxes of crayons, 6 boxes of sharpies, and 5 boxes of markers. How many boxes does she have?

15

500

Ryan has the 5 dogs and the same amount of cats and 2 fish.

Parker has 7 dogs, 3 fish, and 3 cats.

Who has more pets?

Parker