Write in
Standard Form
Standard Form
7,000 + 20 + 4
7,024
What is 104?
10,000
Jenna says that 2 x 15 is the same as 15 x 2. Is she correct? WHY?
Yes she is correct because the commutative property states that we can switch the order in which we multiply numbers and still get the same answer.
Fill in the blank:
8 x 16 = (8 x __ ) + (8 x 6)
10
Mrs. Romero baked 600 cupcakes. She gives 1/10 of them to her sister. How many cupcakes did she give her sister?
60 cupcakes
5,000,000 + 200,000 + 40,000 + 7,000 + 300 + 40 + 5
5,247,345
How many zeros are in 103?
three zeros
Sara says solves the problem 7 X (12 X 27). Jenna rewrites this problem as (7 X 12) X 27. She kept the numbers and their order the same, but changed the placement of the parenthesis. Will Jenna get the same answer as Sara? WHY?
Yes because of the associative property. This property tells us that we can choose which two numbers we multiply first by placing parenthesis around them, and still get the same answer.
Fill in the blank:
4 x 32 = (4 x 30) + (4 x __ )
2
Mrs. Schetino has 40 pens. She needs to buy 10 times as many pencils as pens. How many pencils does Mrs. Schetino need to buy?
400 pencils
(3 x 100) + (2 x 10) + (3 x 1)
321
(5 x 7) x 102
3,500
True or False?
2 x 24 = 2 x 20 x 4
False
Fill in the blank:
12 x 89 = (__ x 80) + (12 x 9)
12
Mrs. Williams has 2,000 stickers. She gives out 1/10 of her stickers the first 2 months of school. How many stickers does she give out?
200 stickers
(3 X 1,000) + (2 x 100) + (2 x 10) + (2 x 1)
3,221
How many zeros are in 70 x 103
four zeros
True or False
2 X 25 = 2 X (20 +5)
True
Fill in the blank:
9 x ___ = (9 x 50) + (9 x 7)
57
Mrs. Sarcone gave out 30 twist tickets in September. How many twist tickets does she plan to give out month if she wants to give out 10 times as many?
300 twist tickets
(9 X 1,000,000) + (6 X 100,000) + (3 x 10) + (2 x 1)
9,600,032
A teacher wrote 40 x 107 on the board. She asked the class how many zeros are in the answer. Jon said that there are 7 zeros in the answer, and Julia said that there are 8 zeros in the answer. Who is correct and WHY?
Julia is correct because 40 already has one zero in it, and the exponent seven tells us to add seven more zeros. This creates a total of eight zeros in the answer which is 400,000,000.
True or False?
2 x (37)= (2 x 3) + (2 X 7)
Fill in the blanks:
7 x 76 = (___ x ___) + ( ___ x ___)
7 x 76 = (7 x 70) + (7 x 6)
How does the value of the 3 in 264,738 compare to the value of the 3 in 264,378?
A. The 3 in 264,738 is 10 times as much as the 3 in 264,378.
B. The 3 in 264,738 is 100 times as much as the 3 in 264,378
C. The 3 in 264,738 is 1/10 of the 3 in 264,378
D. The 3 in 264,738 is 1/100 of the 3 in 264,378
C. The 3 in 264,738 is 1/10 of the 3 in 264,378