Equal Sign
What does the equal sign actually mean?
Answer: What is “is the same as”?
The symbol “<” means what?
Answer: What is less than?
A level balance shows what?
Answer: What is both sides are equal?
Which property says changing order doesn’t change the sum?
Answer: What is the commutative property of addition?
Even numbers have how many leftovers when paired?
Answer: What is zero?
Students who see the equal sign as “do something” are showing which view?
Answer: What is the operational view?
“You must be at least 42 inches tall” means height must be…
Answer: What is ≥ 42?
If one orange weighs the same as two apples, what balances one orange?
Answer: What are two apples?
Which property says (a + b) + c = a + (b + c)?
Answer: What is the associative property of addition?
Is the statement “1/2 is greater than 1/4” always true?
Answer: What is yes (always true)?
True or false: 7 + 8 = 10 + 5.
Answer: What is true? (both equal 15)
Ernesto has more than 6 cousins. Name one possible number.
Answer: What is any number greater than 6, such as 7?
Does 14 + 1 balance with 10 + 5?
Answer: What is yes? (both equal 15)
What is the identity property of addition?
Answer: What is adding 0 gives the same number?
Adding three consecutive numbers equals 3 times which number?
Answer: What is the middle number?
Fill in the blank: 6 + 9 = 10 + ___.
Answer: What is 5?
If both sides of an inequality subtract the same number, does the inequality stay true?
Answer: What is yes?
Fill in the blank: 21 + 5 = 19 + ___.
Answer: What is 7?
Name the property: 6 × (3 + 2) = 6×3 + 6×2.
Answer: What is the distributive property?
If you know 4 × 7 = 28, how can you quickly find 7 × 4?
Answer: What is use the commutative property—they're the same?
A student who treats the equation like a balance and uses structure is showing which view?
Answer: What is the relational–structural view?
Write an inequality for: “5 gift cards and $3 for holders must cost no more than $25.”
Answer: What is 5x + 3 ≤ 25?
If one side of an equation is greater and you add the same number to both sides, what happens?
Answer: What is the greater side stays greater?
If a student uses 6 is “twice as big” as 3 to solve facts, what are they using?
Answer: What is generalized arithmetic/structure?
If the “even keys” (0, 2, 4, 6, 8) don’t work on a calculator, can you still make an even number?
Answer: What is yes, for example 3 + 3 = 6?