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A letter representing a number in an expression is called a __________.
Variable
Mr. and Mrs. Jensen had 10 people over for dinner. There were 7 adults, and the rest were kids (K). Create and equation and solve for the number of kids at dinner.
10 - 7 = K
K=3
9 x 2 = 2 + 2 + 2 + 2 + 2+ 2 + 2 + 2
False
_____ is 10 times as much as 9
90
A problem that does not have an equal sign
Expression
Julianna has 84 cupcakes with 6 different toppings. She wants to put each topping in a different display case. There are an equal number of cupcakes with each topping. How many cupcakes go into each display case.
Total Cupcakes / Toppings = Number of display cases
84 / 6 = 14
456 + 98 = 356 + 198
True
456 + 98 = 554
356 + 198 = 554
____ is 10 times as much as 400
4000
A problem that has an equal sign
Equation
Levi has 7 times as many games (G) as his friend Mason. Mason has 14 games. How many games does Levi have?
14 * G = 98
G * 14 = 98
685 - 43 = 585 + 143
False
685 - 43 = 642
585 + 143 = 728
40,000 is 100 times as much as _______
400
A word problem that involves more than one step to complete.
Multi-Step word problem
Lily has $34 to buy cheerleader bows. Each bow costs $5. If she buys 3 bows, how many $8 pompoms can she buy?
34 - (5 * 3) = Money left over
34 - 15 = $19 Money left over
19 / 8 = 2 R 3
Lily can buy 2 pompoms
634 + 143 = 534 + 243
True
634 + 143 = 777
534 + 243 = 777
3600 is ten times as much as _____
360
Balanced Equations are either _____ or _____.
True or False
Mrs. Dobson is taking her class to the movies to see Godzilla. She has 23 students and each row hold 4 people. How many students will be in the unfilled row?
23 / 4 = Number of Rows
23 / 4 = 5 r 3
3 students will sit in the unfilled row
72 / 12 = 7 x 1
False
72/12 = 6
7 x 1 = 7
How many times greater is the number 7 in 70,048 than the value of 7 in 17,992
10x more