3rd Grade Go Math Chapter 1 Review

3rd Grade Chapter 1 Review

Take out your notebook!

Open Ended

What have we learned in chapter 1?

We have learned

• Place value

• Rounding

• How to use rounding to estimate

• Adding three numbers together

• Adding three digit numbers

• Subtracting three digit numbers

• How to have a moose party

Poll

What are you most confident in?

• Place value and rounding

• Subtracting

• Adding

• Estimating

Poll

What are you most LEAST confident in?

• Place value and rounding

• Subtracting

• Adding

• Estimating

PLACE VALUE

Each digit has a different value based on where it is in the number. The 2 in 249 is worth more than the 2 in 42.

Multiple Choice

What is the value of the red digit?
8888

• 8000
• 800
• 80
• 8

ROUNDING

We look to the digit neighbor to see if the digit we are rounding raises the or stays.

49 rounds to 50 and 42 rounds to 40.

Multiple Choice

Round to the nearest ten:
76

• 70
• 74
• 75
• 80

WE USE ROUNDING TO HELP US ESIMATE

If I buy two things, one costs $2.99 and another $1.99 I say I paid $5 for them because I rounded both prices.

Multiple Choice

When you see the words "estimate" or "about" in a word problem, what do you have to do?

• regroup

• round

Adding and subtracting 3 digit numbers

Make sure everything is lined up and borrow from the next place value when you need to.

Multiple Choice

39 + 93 =

• 122
• 132
• 112
• 232

Multiple Choice

 528 - 275 =

• 251
• 793
• 253
• 353

Great job!

Now go back to the meet and I'll give you the link for your independent work!