What does decompose mean in math?
To break down a number.
Estimate.
632 x 4 =
600 x 4 = 2,400
34 x 7 =
238
274 x 3 =
822
There are 10 pans of cookies. Each pan holds 24 cookies. How many cookies are there total?
240 cookies
DAILY DOUBLE
Use the distributive property to multiply. Show your equation and solve.
2 x 97
(2 x 90) + (2 x 7)
180 + 14
194
Estimate.
8 x 5,702 =
8 x 6,000 = 48,000
9 x 61 = j
j =
j = 549
7 x 621 = r
r =
r = 4,347
Miss Collins teaches 4 different classes. There are 38 students in each class. How many students does she teach in all?
152 students
This states that you can multiply the addends of a number and then add the products.
Distributive Property
There are 4 fourth grade classes. Each class collected 790 boxtops. About how many boxtops did the fourth grade collect?
4 x 800 = 3,200 boxtops
52 x 6 =
312
p = 9
3,068 x p =
27,612
If it costs $46 for a new outfit and Mariah buys a new outfit for every day of the week. How much money will she spend altogether?
$322
Draw an area model and solve.
6 x 48 =
240 + 48
288
Estimate.
9,412 x 3 =
9,000 x 3 = 27,000
8 x 63 = k
k =
k = 504
4 x 5,912 =
23,648
There are 4,329 noodles in a box of pasta. If I get 8 boxes of pasta, about how many noodles will I have?
4,000 x 8 = 32,000 noodles
Finding the product for the tens and ones separately, then adding them together results in this.
Partial Products
If Darcy earned 13,695 tickets each time she went to the arcade and she went 6 times, about how many tickets did Darcy earn?
10,000 x 6 = 60,000 tickets
98 x 7 =
686
26,937 x 6 = t
t =
t = 161,622
Each family in the apartments pays $1,375 for rent each month. There are 8 families in the apartments. How much do they pay altogether each month?
$11,000