Vocabulary
A number that is subtracted from another number
What is "subtrahend"?
5+2 = 2+5 is an example of which property?
What is the commutative property?
Write an EXPRESSION for thirteen points scored in the first half of the football game and then SOME more points were score in the last half.
What is 13 + c?
8 + y, if y=9
What is 17?
Connor had money in his bank. He then added 3 dimes, 5 nickels, and 3 pennies. Now he has $3.25. How much money did he start with?
What is $2.67?
A letter or symbol that stands for the "unknown number" in an expression or equation.
What is a variable?
ESTIMATE (round to the nearest thousand)
47,822
-31,046
What is 17,000?
4 + y = 19
What is 15?
b - 4, if b = 8
What is 4?
Will and Ethan built a giant chain of 1378 plastic dominoes and 2267 wooden dominoes. How many total dominoes did they use?
What is 3645 dominoes?
A number sentence that shows two amounts are EQUAL.
What is an equation?
327 + 0 = 327 is an example of what property
What is the identity property of addition?
Write an EXPRESSION to show that there were originally 578 books at the book fair but many were already sold by the end of the week.
What is 578 - p?
c-17, if c = 32
What is 15?
Addison had 45 trading cards on Monday. On Tuesday her brother took some of the trading cards to school and lost them! Now Addison only has 12 cards. How many cards did Addison's brother lose?
What are 33 trading cards?
Part of a number sentence that has numbers and operations but does NOT have an equal sign.
What is an EXPRESSION?
90,000 - 3287 =
What is 86,713?
27 = 4 + Y
What is Y=23 ?
56 - w, if w = 8
What is 48?
Jack and 4 of his friends bought hotdog lunches at the football game. They spent $20 total. How much did each spend on their hotdog lunch?
What is $4.00?
When an operation UNDOES another operation
What is INVERSE?
(4 + 9) + 3 = 4 + (9 +3)
is an example of......
What is the associative property?
y-5 = 5
What is y=10?
25 - y, if y = 10
What is 15?
During the summer Mrs. Frechette took several trips. One trip was 163 miles, another was 429 miles, another was 59 miles, and the last trip was 242 miles. How far did Mrs. Frechette travel in all?
What is 893 miles ?