Build the Expression
Mrs. Dalton set-up one of the bookshelves to have 30 books on each of the four shelves. When a new shipment of books came, she was able to add two more shelves with the same number of books. How many books are on that bookshelf?
(30 x 4) + (30 x 2) =
Mrs. Dalton set-up one of the bookshelves to have 30 books on each of the four shelves. When a new shipment of books came, she was able to add two more shelves with the same number of books. How many books are on that bookshelf?
180 books
Explain what makes this equation true or false:
12 x 6 = 24 x 3
True. Double and half.
12 x ? = 6 x 14
7
How many siblings do Mrs. Nevinski, Ms. Lasut, and Mr. Kastens have combined?
7
Charli sold 45 cups of lemonade at her lemonade stand. Each cup sold for $2. She spent $18 on lemons. How much profit did she make?
(45 x 2) - 18
Charli sold 45 cups of lemonade at her lemonade stand. Each cup sold for $2. She spent $18 on lemons. How much profit did she make?
$72
Explain what makes this equation true or false:
7 x 4 = 28 x 2
False. No relationship between the numbers on the right side of the equation and the left side of the equation.
12 x 16 = ? x 8
24
How many tattoos to Mrs. Nevinski, Ms. Lasut, and Mr. Kastens have combined?
5
Last year, Mr. Kastens and some 4th and 5th graders built four raised garden beds for the Community Garden. For each bed, they used two 10 feet pieces of 2" x 8" lumber, and one four foot piece of 4" x 4" lumber. How many total feet of lumber did they use?
(4 x 2 x 10) + (1 x 4)
Last year, Mr. Kastens and some 4th and 5th graders built four raised garden beds for the Community Garden. For each bed, they used two 10 feet pieces of 2" x 8" lumber, and one four foot piece of 4" x 4" lumber. How many total feet of lumber did they use?
84 feet of lumber
Explain what makes this equation true or false:
48 x 6 = 24 x 3
False. Both numbers are in half.
4 x ? = 2 x 26
13
How many total years have Mrs. Nevinski, Ms. Lasut, and Mr. Kastens spent in education?
93
Add 15 and 18 and 23, and multiply the sum by 25.
(15 + 18 + 23) x 25
Add 15 and 18 and 23, and multiply the sum by 25.
1,400
Explain what makes this equation true or false:
9 x 14 = (10 x 14) - (1 x 14)
True. 10 groups of 14 minus one group of 14 is the same thing as nine groups of 14.
10 x 14 = 35 x ?
4
Approximately how many diapers have Mrs. Nevinski and Mr. Kastens changed combined?
6,570 diapers