All Common Core: 3rd Grade Math Resources
Example Questions
Example Question #7 : Subtracting Within 1000
Solve:
When we subtract multi-digit numbers, we start with the digits in the ones place and move to the left.
Let's look at the numbers in the ones place:
Next, let's look at the numbers in the tens place:
Finally, we can subtract the numbers in the hundreds place:
Your final answer should be
Example Question #8 : Subtracting Within 1000
Solve:
When we subtract multi-digit numbers, we start with the digits in the ones place and move to the left.
Let's look at the numbers in the ones place:
Next, let's look at the numbers in the tens place:
Finally, we can subtract the numbers in the hundreds place:
Your final answer should be
Example Question #9 : Subtracting Within 1000
Solve:
When we subtract multi-digit numbers, we start with the digits in the ones place and move to the left.
Let's look at the numbers in the ones place:
Next, let's look at the numbers in the tens place:
Finally, we can subtract the numbers in the hundreds place:
Your final answer should be
Example Question #10 : Subtracting Within 1000
Solve:
When we subtract multi-digit numbers, we start with the digits in the ones place and move to the left.
Let's look at the numbers in the ones place:
Next, let's look at the numbers in the tens place:
Finally, we can subtract the numbers in the hundreds place:
Your final answer should be
Example Question #2021 : Common Core Math: Grade 3
Solve:
When we subtract multi-digit numbers, we start with the digits in the ones place and move to the left.
Let's look at the numbers in the ones place:
Next, let's look at the numbers in the tens place:
Finally, we can subtract the numbers in the hundreds place:
Your final answer should be
Example Question #31 : Add And Subtract Within 1000: Ccss.Math.Content.3.Nbt.A.2
Solve the following:
When we subtract multi-digit numbers, we start with the digits in the ones place and move to the left.
Let's look at the numbers in the ones place:
Next, let's look at the numbers in the tens place:
When the top number is smaller than the bottom number, we have to borrow from the number to the left because we can't take away from since is the smaller number. In this case, we are going to look to the . We only ever need to take away from the number to the left. For this problem, that will leave us with a to replace the . So far, your work should look something like this:
Remember, we've borrowed from the hundreds place, so we can put a in front of the number in the tens place. So far, your work should look something like this:
Now, we can subtract the numbers in the tens place:
Next, we can subtract the numbers in the hundreds place:
Your final answer should be
Example Question #1 : Multiply And Divide Within 100 To Solve Word Problems: Ccss.Math.Content.3.Oa.A.3
There are boxes of oranges. Each box contains oranges. How many oranges are there?
Looking at the picture below, we have groups, each with oranges. To find the total we could add to itself times, or we could do multiplication. Remember, multiplication is the same thing as repeated addition.
Let's let equal the total number of oranges.
Our equation is
Example Question #1 : Multiplying Within 100 To Solve Word Problems
There are boxes of oranges. Each box contains oranges. How many oranges are there?
Looking at the picture below, we have groups, each with oranges. To find the total we could add to itself times, or we could do multiplication. Remember, multiplication is the same thing as repeated addition.
Let's let equal the total number of oranges.
Our equation is
Example Question #2 : Multiplying Within 100 To Solve Word Problems
There are boxes of oranges. Each box contains oranges. How many oranges are there?
Looking at the picture below, we have groups, each with oranges. To find the total we could add to itself times, or we could do multiplication. Remember, multiplication is the same thing as repeated addition.
Let's let equal the total number of oranges.
Our equation is
Example Question #3 : Multiply And Divide Within 100 To Solve Word Problems: Ccss.Math.Content.3.Oa.A.3
There are boxes of oranges. Each box contains oranges. How many oranges are there?
Looking at the picture below, we have groups, each with oranges. To find the total we could add to itself times, or we could do multiplication. Remember, multiplication is the same thing as repeated addition.
Let's let equal the total number of oranges.
Our equation is