In the Family
What's the rule?
Missing Factors
Find a strategy
Solve the problem
100
What problems are missing from the fact family?
2 x 3 = 6
3 x 2 = 6
6 ÷ 3 = 2
6 ÷ 2 = 3
100
Which number is missing from the pattern?
3, 6, 9, 12, ____, 18, 21,....
3
100
This factor is missing from the following fact family:
4 x ___ = 20
___ x 4 = 20
20 ÷ ___ = 4
20 ÷ 4 = ____
5
100
What multiplication strategy is shown here?
array
100
Mrs. Harrison has 5 posters. She needs 6 pieces of tape to hang each poster on the wall. How many pieces of tape does she need to hang all of the posters?
30 pieces of tape.
200
What problems are missing from this fact family?
8 x ___ = 56
7 x ___ = 56
56 ÷ 7 = 8
56 ÷ 8 = 7
200
What is the multiplication rule of this pattern?
4, 8, 12, 16, 20, 24,....
All of these numbers are multiples of 4.
4 = 4 x 1
8 = 4 x 2
12 = 4 x 3
...
200
This factor is missing from the following fact family:
3 x ___ = 6
___ x 3 = 6
6 ÷ ___ = 3
6 ÷ 3 = ____
2
200
What multiplication strategy is shown here?
Equal groups
200
Some of you may know that the teachers have a lot of microwaves in the teacher's lounge. In fact, there are 4! Each microwave can hold 1 lunch at a time. How many teachers can heat up their lunches at one time?
4 x 1 = 4
4 teachers can heat up their lunches at one time.
300
What problems are missing from this fact family?
6 x 7 = 42
7 x 6 = 42
42 ÷ 6 = 7
42 ÷ 7 = 6
300
Fill in the blanks of this pattern:
7, 14, ___, 28, 35, ___, 49,...
21 & 42
300
This factor is missing from the following fact family:
7 x ___ = 63
___ x 7 = 63
63 ÷ ___ = 7
63 ÷ 7 = ____
9
300
What multiplication strategy is shown here?
8 x ? = 32
8+8=16, 16+8=24, 24+8=32
So, 8 x 4=32.
Repeated addition
300
Imagine that there are only 10 students in our class. if each of those 10 students has 3 notebooks, how many notebooks do the students have all together?
30 notebooks in all.