True or False.
60 is 1/10 of 600.
True
Write the property that the equation shows.
9 x 1 = 9
Identity Property of Multiplication
What is the value of 103?
1,000
Mrs. Adler saves $16 of her allowance each week. How much will she save after 3 weeks?
$48
Mrs. Adler bought 3 iced coffees a day for 22 days. On the 23rd day, Mrs. Adler bought 5 iced coffees. Write an expression that matches the words.
(3 x 22) + 5
Write the number 435,012 in word form.
four hundred thirty-five thousand twelve
Write the property that the equation shows.
(20 + 18) + 12 = 20 + (18 + 12)
Associative Property of Addition
What is the value of 9 x 5 x 104?
450,000
There are 8 after school clubs. There are 27 students in each club. How many students are in after school clubs?
216 students
True or False.
56 - (22 + 3) = 37
False
Write the number 36,401 in expanded form.
(3 x 10,000) + (6 x 1,000) + (4 x 100) + (1 x 1)
Write the property that the equation shows.
20 x 3 = 3 x 20
Commutative Property of Multiplication
What is the expanded form of 105?
10 x 10 x 10 x 10 x 10
Mrs. Adler can type 198 words per minute. How many words can she type in 35 minutes?
6,930 words
Evaluate the numerical expression.
6 x (27 - 4) + 12
150
True or False.
8,500 is 10 times as much as 85.
False
Mrs. Adler earns $45 per week walking dogs in her neighborhood. Write an expression that can be used to show how much money she will earn in 9 weeks.
(9 x 40) + (9 x 5)
What is the value of 62 x 104?
620,000
It is 3,167 miles round trip to Mrs. Adler's hometown. If she travels to her hometown 5 times this year, how many miles did she travel in all?
15,835 miles
Evaluate the numerical expression.
(6 x 4) + [(9 x 3) - 6]
45
Mrs. Adler earned 60,000 units of sandstone on Minecraft this week. This is 10 times as many units of sandstone as she earned last week. How many units of sandstone did she earn last week?
6,000 units of sandstone
Mrs. Adler wants to find the quotient. Use multiplication and the Distributive Property to help Mrs. Adler find the quotient.
112 ÷ 8
112 ÷ 8 = 14
Multiplication: 8 x 14 = 112
Distributive Property: (8 x 10) + (8 x 4)
6 x 100 = 6
6 x 101 = 60
6 x 102 = 600
6 x 103 = 6,000
Explain the pattern of zeros in the product when multiplying by powers of 10.
The exponents tell us how many zeros to add after the base number.
Mrs. Adler saves $1,059 every week. How much money will she save after 12 weeks?
$12,708
Mrs. Adler buys 14 individual pens for $3 each. She also buys 6 packs of pens. Each pack of pens costs twice as much as each individual pen. Mrs. Adler has a coupon for $3 off the pack of pens. Write a numerical expression to show how much she spent.
(14 x 3) + [(6 x 6) - 3]