4+3
7
10-5
5
What addition fact can I use to solve 14-7?
7+___=14
Triangle
What is the rule if I put 5 in and 10 comes out?
Add 5
10+6
16
12-4
8
How can I think doubles to help me solve 6+5?
6+6-1=11
5+5+1=11
What shape has 4 equal sides and 4 vertices?
Square
What is the rule if I put 6 in and 3 comes out?
Subtract 3
15+9
24
23-10
13
How can I think combinations of ten to help me solve 7+4?
7+3+1=11
If the rule is add 2, and I put in a 10, what number would come out?
12
20+12
32
57-36
21
How would I think addition with combinations of ten to solve 10-6?
6+____=10
Is being a CLOSED shape a defining attribute or nondefining? Why?
Defining, because if it is open, it would not be that shape anymore.
The rule is Add 10. The output is 20. What is the missing input?
10
56+43
99
258-134
124
Counting up, because you start at 7 and count up 2 to get 9. I would take less hops.
Name 2 defining attributes of a HEXAGON
6 Sides, 6 Vertices, Closed, Polygon
Create a number model and solve the missing input. The rule is subtract 6. The output is 13. What is the missing input?
7