Addition
Subtraction
Math Strategies
Shapes
Function Machines
100

4+3

7

100

10-5

5

100

What addition fact can I use to solve 14-7?

7+___=14

100
What shape has 3 sides and 3 vertices?

Triangle 

100

What is the rule if I put 5 in and 10 comes out? 

Add 5

200

10+6

16

200

12-4

8

200

How can I think doubles to help me solve 6+5?

6+6-1=11

5+5+1=11

200

What shape has 4 equal sides and 4 vertices? 

Square

200

What is the rule if I put 6 in and 3 comes out? 

Subtract 3

300

15+9

24

300

23-10

13

300

How can I think combinations of ten to help me solve 7+4?

7+3+1=11

300
Is the COLOR BLUE a defining attribute or nondefining? 
Nondefining 
300

If the rule is add 2, and I put in a 10, what number would come out? 

12

400

20+12

32

400

57-36

21

400

How would I think addition with combinations of ten to solve 10-6?

6+____=10

400

Is being a CLOSED shape a defining attribute or nondefining? Why? 

Defining, because if it is open, it would not be that shape anymore.

400

The rule is Add 10. The output is 20. What is the missing input? 

10

500

56+43

99

500

258-134

124

500
Which is easier, counting up or back to solve 9-7? Explain

Counting up, because you start at 7 and count up 2 to get 9. I would take less hops. 

500

Name 2 defining attributes of a HEXAGON

6 Sides, 6 Vertices, Closed, Polygon 

500

Create a number model and solve the missing input. The rule is subtract 6. The output is 13. What is the missing input? 

7