What strategy can you use when you are multiplying a number by two?
What is skip-counting by 2 or doubling the number?
100
To decide if one number is greater than, less than or equal to another number
What is compare?
100
81-16
What is 65?
100
What is 24 tens in standard form?
What is 240?
100
56 x 3= ?
What is 168?
200
How can you use a 2's fact to solve 6 x 4?
6 x 2 =12
12 + 12= 24
200
A group of related facts that use the same numbers.
What is a fact family?
200
904 + 68?
What is 972?
200
What is 10,000 + 800 + 40 + 4 in standard form?
What is 10,844?
200
There are 50 oysters in the Bay. The fishermen catch 27 oysters. They put 18 back in the Bay because they are too small. How many oysters are in the Bay now?
What is 41 oysters?
300
How can you use your 2s facts to solve 8 x 7?
2 x 7 = 14
14 + 14 = 28 (Double it)
28 + 28= 56 (Double it again)
300
The whole numbers that are multiplied together to get an answer
What are factors? What is a factor?
300
304-115=
What is 189?
300
What is thirty thousand four hundred eighty-seven in standard form?
What is 30,487?
300
There were 437 kids at lunch and 563 at recess. How many students are there altogether?
What is 1,000?
400
How can you use your 2's facts and your 1's facts to solve 3 x 9?
2 + 1= 3
2 x 9= 18
1 x 9= 9
18 + 9= 27
400
What is step-by-step method for solving a math problem such as addition or subtraction?
What is an algorithm? What is the standard algorithm?
400
3789 + 643=
What is 4,432?
400
Complete the comparison statement:
four hundreds nine tens six ones _____ forty-nine tens nine ones
What is 496<499
400
97 x 8?
What is 776?
500
What two foundational facts can you use to solve 7 x 9?
5 + 2 = 7
5 x 9 = 45
2 x 9= 18
45 + 18= 63
500
A method of multiplying in which the value of each digit in a
factor is multiplied separately, and then the individual parts
are added together
What is partial product?
500
6,000 - 555 =
What is 5445?
500
Two part question:
672,052
What place is the 6 in?
What is the value of the 6?
What is hundred thousands place?
What is 600,000?
500
Ms. Fierstein make 88 muffins total. 34 were blueberry muffins, 19 were bran muffins and the rest were pumpkin muffins. How many pumpkin muffins did she make?