Fact Families
Addition & Subtraction
Telling Time
Shape Attributes
What's My Rule? & Function Machines
100
Name the missing fact in this fact family triangle:
4 + 8 = 12
8 + 4 = 12
__ - __ = __
12 - 4 = 8
12 - 8 = 4
100
4
+ 8
____
?
12
100
Does the long hand on a clock point to the hour or minute?
minute
100
What is an attribute?
A trait that describes a shape, like an adjective.
100
What's the rule? Remember to write + or - before the number!
+2
200
Name the missing fact in the fact family:
___ + ___ = ___
4 + 3 = 7
7 - 4 = 3
7 - 3 = 4
3 + 4 = 7
200
8 - 5 = ____
3
200
Does the short hand on the clock point to the hour or minute?
hour
200
The size of a shape is a __________ attribute.
Write defining or non-defining
non-defining
200
I wrote that the rule for this function machine is +5. What fact can I solve to check my answer?
3+5=8
5+5=10
8+5=13
300
Are the facts in this fact family correct?
3 + 5 = 9
5 + 3 = 9
9 - 4 = 5
9 - 5 = 4
No
300
_____ = 10-4
6
300
What time is it?
8:00
300
A hexagon has ________ sides.
6
300
I wrote that the rule for this function machine is 3. Is that correct?
No, it is + 3
400
Name the fact that DOES NOT belong in this fact family:
4 + 8 = 12
12 + 4 = 8
12 - 4 = 8
12 - 8 = 4
12 + 4 = 8
400
_____- 5 = 2
7
400
How would I show 2:00 on an analog clock?
(Where would the hands go?)
400
What is a defining attribute of a triangle?
A triangle has 3 vertices/sides.
400
Find the missing rule! Make sure to write + or - before your answer.
-8
500
Draw a fact triangle that shows this fact family:
5 + 6 = 11
6 + 5 = 11
11 - 6 = 5
11 - 5 = 6
500
6 = 4 + ____
2
500
Tia thinks that both the analog and digital clocks are telling the same time. Is she correct? Write yes or no.
Analog clock:
Digital clock:
no
500
Sides and vertices are ___________ attributes.
Write defining or non-defining.
defining
500
Write the missing input.
2