Unit 2
What is expanded form?
A way to write numbers that shows the place value of each number.
256=200+50+6
44,285 rounded to the hundreds place is 44,200?
T or F
F. 44,300
325=147+?
A. 178
B. 188
C. 222
A 178
Write a multiplication equation for 14 is 7 times as many as 2.
14=7x2
1. What is a factor?
2. What are the factor pairs for 6?
1. A set of two whole numbers
that when multiplied will
result in a given product.
2. 1 and 3, 2 and 6
What is Written Form of 168,021?
one hundred sixty-eight thousand twenty-one
142,839 round to the nearest
Thousands Place:
Ten thousands Place:
Hundred thousand Place:
143,000
140,000
100,000
Abe has 16 pins in one box and 17 pins in another box. He is hanging posters with the pins. He uses 4 pins to hang each poster. What is the total number of posters Abe can hang with the pins?
16+17=33
33 divided by 4 = 8 with 1 left over
8x4=32
Tara is 4 years old. Her brother is 2 times as old as Tara. Which equation could be used to find b the age of Tara's brother?
A. b=1x2
B. b=2x2
C. b=4x2
D. b=8x2
1. What is a multiple?
2. List the next 5 multiples of 2?
1. A multiple of whole number is the product of that number and another whole number. Any whole number is a multiple of its factors.
2,____,____,____,_____,______
Write the expanded form for 168,201.
100,000+60,000+8,000+200+1
The value of the 6 in 56,273 is how many times the value of the 6 in 48,624?
10 times
A teacher has 8 sheets of stickers for decorating posters.
Each sheet has 10 stickers.
Each poster will have exactly 3 stickers.
What is the greatest number of posters the teacher can decorate?
8X10=80
80 divided by 3 =26 with 2 stickers left over
26 x 3 = 78
78+2=80
Josiah has 7 times as many baseball cards as Allen. Allen has 360 baseball cards. Which equation can be used to find n, the number of baseball cards Josiah has.
A. 7xn=360
B. 7+n=360
C. 360x7=n
D. 360+7=n
Which of these numbers are prime?
27
43
52
67
95
43,67
Compare 168,021____168,201
168,021<168,201
The Value of the digit in the thousands place is how many times the digit in the hundreds place?
24,473
10 times
25,000-13,476=
A. 11,636
B. 11,524
B. 11,524
What is a prime number?
A whole number greater
than 0 that has exactly
two different factors,
1 and itself.
The rule of the pattern is "multiply by 3." The first number in the pattern is 2. What is the fifth number in the pattern?
162
2,6,18,54,162
2x3=6
6x3=18
18x3=54
54x3=162
Write a number that is 1,000 greater than 169,201
170,201
In which of these numbers does the 7 have a value ten times the value of the 7 in 9176?
A. 2473. B. 3724. C. 4327. D. 7432.
B 3724
Which of these numbers is the difference of this expression? 372,068 - 8329
A. 363,739. B. 364,331.
A
What is a composite number?
A number greater than 0
that has more than two
different factors.
Carina and Raylynn wrote a pattern.
They wrote a pattern using a rule with two operations.
The rule is "subtract 2, add 8"
The first 5 numbers in the pattern are shown.
114,112,120,118,126...
Continue the pattern, what are the next 4 numbers?
124,122,130,128