Fact Famillies
In a fact family with 2, 9, tell all the multiplication and division facts
9x2=18
18/2=9
18/9=2
2t=30
t=?
15
Read this inequality out loud.
x<4
x is less than or equal to 4
John started with 24 pieces of lego. He built a structure that used 15 pieces. Which equation will tell us how much lego he has left now?
10+12 = _____ = 20
In a fact family with 6, 4, tell all the multiplication and division facts
6x4=24
4x6=24
24/6=4
24/4=6
20 - b = 16
b=?
4
Read this inequality out loud.
x>10
x is greater or equal to 10
Rob ran 13 laps around the gym yesterday and 16 more laps today. Which equation will tell us how many laps he ran in total?
13+16=l
14+14 = ____ + 8
20
In a fact family with 3, 7, tell all the multiplication and division facts
3x7=21
7x3=21
21/7=3
21/3=7
30 - p = 23
p=?
7
Ariel says for this inequality x>8
Possibilties for x are
x = 8, 9, 10, 11, 12.. etc
Is he right?
Yes
Kevin has 18 pokemon cards. He traded some with his friend Jacob and now has 3 left. Which equation will tell us how many he traded?
18 - p = 3
9+4=____+6
7
In a fact family with 3, 9, tell all the multiplication and division facts
3x9=27
9x3=27
27/9=3
27/3=9
35 ÷ p = 7
p=
5
Bella says for this inequality x<5
Possibilties for x are
x = 5, 4, 3, 2 1,
Is she right?
No, 5 cannot be included
Don bought 14 bouncy balls. His friend Ariel also bought some bouncy balls. When they counted all of them together, they had 20 bouncy balls. Which equation will show how many bouncy balls Ariel bought?
14 + a = 20
12+12=2+_____
22
In a fact family with 6, 8, tell all the multiplication and division facts
6x8=48
8x6=48
48/6=8
48/8=6
32 ÷ g = 4
g=
8
Tell possibilities for x in for this inequality x<10
x = 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 or 0
Ms. Potashner and her mom love baking muffins. Ms. Potashner baked 14 muffins. They made 30 muffins in total. How many muffins did her mom bake? Write your own equation that could tell us how many cookies her mom baked. Then, solve the equation.
14 + m = 30
m = 16
19+8= 22+____
5