Multiplication and Addition
What strategy would you use to solve this problem? 14x 2
Decomposing strategy
What is this an example of 5+5+5= 15?
Repeated Addition
What strategy is this?
48/12
48-12= 36
36-12=24
24-12 =12
12-12 = 0?
Repeated Subtraction
Ms.Otoo had 15 pencils. She also had 5 packs of erasers. Each eraser pack had 3 erasers in it. How many pencils and erasers did she have in all?
15+15=30
Solve this problem: 4x2=
8
Solve this problem: 45 divided by 5
45 /5 = 9
Josiah has 5 containers of 4 blocks. He also has 3 containers of 6 toys. How many blocks and toys does he have all together?
5 x4 = 20
3x6 = 18
20+18= 38
38
Ms.Rivera has 4 oranges, each orange costs 4 dollars. How much money did she spend on oranges?
16 dollars
Carter has 20 cookies. He gave 20 cookies to 5 friends.
How many cookies does each friend have?
4 cookies
Solve (2x2) + (4 x1)
16
What are 2 strategies to solve multiplication problems?
Skip counting and drawing a model!
Solve the following problem: 96 divided by 12
8
Solve this problem using the decomposing strategy:
13 x 4
10 +3 (4)
10 x4 = 40
3x4 = 12
40+12 = 52
Major bought 3 packs of blocks for 10 dollars. How much money did he spend in all?
30 dollars
Mr.Castillo bought 100 pairs of socks. He needs to put the socks into 5 containers equally. How many pairs of socks are in each container?
20 pairs of socks.