Operations & Equations
Sarah has 5 stickers. Her brother has 4 times as many stickers as Sarah. Write an equation to show how many stickers her brother has.
5 x 4 = 20
List all the factors of the number 12.
1, 2, 3, 4, 6, 12
In the number 5,550, how many times greater is the 5 in the thousands place than the 5 in the hundreds place?
10 times greater.
Find the sum: 45,902 + 12,388
58,290
Give an equivalent fraction for 1/2 using a denominator of 8
4/8
A movie theater has 128 seats. If 95 people are already sitting down, how many more people can fit in the theater?
33 people (128 - 95)
Is the number 17 prime or composite? How do you know?
Prime; it only has two factors (1 and 17)
Write the number 40,302 in expanded form.
40,000 + 300 + 2
Find the difference: 5,000 - 2,461
2,539
Compare these fractions using a common denominator: 2/3 and 3/4
2/3 < 3/4
since 8/12 < 9/12
A baker makes 42 cupcakes. He packs them into boxes of 4. How many full boxes can he make, and how many cupcakes are left over?
10 boxes with 2 cupcakes left over.
Follow the rule "Multiply by 2" starting with the number 3. What are the next three numbers in the pattern?
6, 12, 24
Round the number 452,891 to the nearest ten-thousand.
450,000
Solve 34 x 12 using an area model or partial products
408
Why is 3/5 greater than 3/10 even though 10 is a bigger number than 5?
Because the denominator 5 means the whole is cut into larger pieces than a denominator of 10.
Explain the difference between "6 more than 3" and "6 times as many as 3."
6 more means addition (3 + 6 = 9)
6 times means multiplication (6 x 3 = 18).
True or False: Every multiple of 5 is also an odd number.
False (e.g., 10, 20, 30 are even)
Compare these numbers using >, <, or =:
607,210 ___ 607,120
607,210 > 607,120
Solve 824 รท 4
206
Find a fraction that is equivalent to 6/10 but has a smaller denominator.