Show:
Compatible Numbers
(Rounding to 10's or 100's)
Rounding
Expanded Notation
2 by 2 Multiplication
Properties of Multiplication
100
On Monday, Allison read 39 pages of a novel. She read about the same number of pages every night for one week. About how many pages did Allison read in all? A. 40 B. 200 C. 250 D. 280
D. 280
100
Scott traveled 557 miles to visit his cousin. What is this number rounded to the nearest ten?
560
100
What is the VALUE of the 4 in 490,394 written in expanded notation? A. (4 x 100,000) B. (4 x 100) C. (4 x 10,000) D. (4 x 400,000)
A. (4 x 100,000)
100
22 x 45 =
990
100
This property states that you can multiply the factors in ANY ORDER, and the product will be the same EX: 4 x 1 = 4 1 x 4 = 4
Commutative Property
200
In a jump rope contest, Cameron jumped for 43 minutes. He jumped about the same amount of times as 9 other boys. About how many total minutes did Cameron and the other 9 boys jump in all? A. 360 B. 400 C. 480 D. 500
B. 400
200
Round 23,837 to the nearest hundred.
23,800
200
What is the value of the digit 8 in 934,823,924?
800,000
200
41 x 54 =
2,214
200
This property states that you can GROUP the factors in different ways, and the product will be the same. EX: (3 x 4) x 2 = 24 (3 x 2) x 4 = 24
Associative Property
300
Evan received $25 from his grandparents on his birthday. He already has $22. About how much total money does he have now? A. $30 B. $40 C. $50 D. $60
C. $50
300
Round 234,234.432 to the nearest hundredth
234,234.43
300
Write the number 58,307 in expanded notation.
(5 x 10,000) + (8 x 1,000) + (3 x 100) + (7 x 1) = 58,307
300
Ms. Jones has 23 students. Each student has 45 pencils. How many pencils do the students have altogether?
1,035
300
This property states that a multiplication fact can be broken up into the sum of two other multiplication facts. EX: BOX METHOD 23 = 20 + 3
Distributive Property
400
Jessica read 221 pages of a 348-page book. About how many more pages does she have left to read? A. 110 B. 120 C. 130 D. 140
C. 130
400
Round 234,234.78 to the nearest tenth
234,234.8
400
Write the following number in standard form: (5 x 1,000) + (9 x 100) + (3 x 1)
5, 903
400
Ms. Gonzales packs 45 boxes with lines. Each box holds 100 limes. How many limes can Ms. Gonzales pack into these boxes?
4,500
400
This property states that the product of any number and 1 is that number. EX: 8 x 1 = 8
Identity Property
500
Jake's teacher asked him to estimate the answer to the following math problem. 56 x 23 = Which would be the best estimate? A. 1,800 B. 1,200 C. 1,000 D. 900
B. 1,200
500
Round 3,234,923,823.54 to the nearest billion.
3,000,000,000
500
Quinlyn described a number using these clues" 1. The value of the digit 7 is (7 x 10). 2. The value of the digit 3 is (3 x 1,000). 3. The value of the digit 1 is (1 x 100). Which number could fit Quinlyn's description? A. 3,175.02 B. 93,075.01 C. 3,651.70 D. 9,372.01
A. 3,175.02
500
There are 27 teams in a hockey league. There are 16 players on each team. How many players are in the hockey league?
432
500
This property states that the product of any number and 0 is 0. EX: 6 x 0 = 0
Zero Property