A
In the problem 15 - 7 = 8, what do we call the number 7?
Subtrahend
what is n subtracted from 10? how do we write?
10-n
What are the two numbers called that you add together to get a sum?
Addends
Write 4,205 in expanded form.
4000 + 200 + 5
What is the next number in the sequence: 25, 30, 35, 40, ___?
45
Solve: 347 + 268 = _____
615
What is the value of the digit 7 in 57,392?
7,000 (Seven thousand)
Round 472 to the nearest ten.
470
Add: $14.50 + $8.75 = _____
$23.25
Write September 5, 2018 in numerical date format.
9/5/2018
If school starts at 8:15 AM and ends at 2:45 PM, how much elapsed time is that?
6 hours 30 minutes
Find the perimeter of a rectangle with length 8 cm and width 5 cm.
26 cm
Solve for the missing number: 221 -n = 72
n=149
The temperature was 68°F in the morning and rose to 89°F at noon. How much did it rise?
21°F
Lucy lined up at 3rd place, Sam lined up at 9th place, how many kids between them? Draw and answer in complete sentences.
Two numbers add up to 18, and their difference is 6. What are the two numbers?
12 and 6
Which is denser: 1 cup of rocks or 1 cup of cotton?
Rocks
Estimate the mass of a small apple (about how many grams?).
~100-150 grams (Any reasonable estimate accepted)
What is the third step of the scientific method?
Hypothesis
Name one important lab safety rule when working with chemicals.
Wear safety goggles (or: Never taste unknown substances / Wash hands after experiments)
You mix salt and water, and the salt disappears completely. This is a(n) _____ (mixture/solution).
Solution
A testable prediction for an experiment is called a(n) _____.
Hypothesis
Name the three states of matter.
Solid, Liquid, Gas
How can you tell if a number is even without dividing it?
It ends in 0, 2, 4, 6, or 8.
What are the tools for measuring?
graduated cylinder/measuring cup
thermometer etc.