Vocabulary
What do you call the answer to an addition problem?
SUM or DIFFERENCE
the SUM
Solve using the ZERO TRICK:
40 x 10
400
Solve using the PARTIAL PRODUCT strategy
15 x 3
10 x 3 = 30
5 x 3 = 15
30 + 15 = 45
TRUE or FALSE:
You can use the Zero Trick when you are solving with the area model.
TRUE
2 x 4
What do you call the answer to a multiplication problem?
PRODUCT or QUOTIENT
PRODUCT
Solve using the ZERO TRICK:
567 x 10
5,670
Solve using the PARTIAL PRODUCT strategy
22 x 5
20 x 5 = 100
2 x 5 = 10
100 + 10 = 110
53 x 41
What are the 4 numbers that will be outside of the boxes of the area model?
50, 3, 40, 1
Write 356 in expanded form
300 + 50 + 6
Partial Products or Area Models
Area Model
Solve using the ZERO TRICK:
32 x 100
3,200
Solve using the PARTIAL PRODUCT strategy
47 x 2
40 x 2 = 80
7 x 2 = 14
80 + 14 = 94
Solve using the area model:
25 x 15
375
Name the 4 different math operations
Addition, Subtracting, Multiplication, Division
What multiplication strategy involves finding parts of the product before finding the final answer?
Area Model or Partial Product
Partial Product
Solve using the ZERO TRICK:
98 x 1,000
98,000
Solve using the PARTIAL PRODUCT strategy
321 x 8
300 x 8 = 2,400
20 x 8 = 160
1 x 8 = 8
2,400 + 160 + 8 = 2,568
Use the area model to solve the below problem:
67 x 23
1,541
Round 4,567 to the nearest 10
4,570
When we S T R E T C H out a number showing each digits place value, what form is the number in?
Standard Form / Expanded Form / Written Form
Expanded Form
Solve using the ZERO TRICK:
677 x 10
6,770
Solve using the PARTIAL PRODUCT strategy
259 x 4
200 X 4 = 800
50 x 4 = 200
9 x 4 = 36
800 + 200 + 36 = 1,036
Use the area model to solve the below problem:
42 x 21
882
Solve (and show your work):
6,003 - 475
5,528