Unit 1 Review

Place Value What place value blocks are needed for the number 643,025? Draw a place value chart to find out!

Place Value What place value blocks are needed for the number 643,025? Create a place value chart to find out! Hundred Thousands Ten One , Hundreds Tens Ones 6 4 3 2 5

How do you write the number below Standard Form How do you write the number below in standard form? Hundred Thousands Ten One , Hundreds Tens Ones 6 4 3 2 5

How do you write the number below Standard Form How do you write the number below in standard form? Hundred Thousands Ten One , Hundreds Tens Ones 6 4 3 2 5 643,025

Expanded Form How do you write 643,025 in expanded form?

How do you write 643,025 in expanded form? Hundred Thousands Ten One , Hundreds Tens Ones 6 4 3 2 5 600,000 + 40,000 + 3,000 + 0 + 20 + 5

Word Form How do you write 643,025 in word form?

Six hundred forty three thousand, Word Form How do you write 643,025 in word form? Six hundred forty three thousand, twenty five

How many ways can you decompose 3,495? Decomposing Numbers How many ways can you decompose 3,495? 3,495

3,495 Decomposing Numbers How many ways can you decompose 3,495? 3,000 + 300 + 100 + 40 + 50 + 5 3,000 + 400 + 90 + 5 3,000 + 400 + 80 + 6 + 5 + 4 2,000 + 800 +600 + 90 + 4 + 1 Numbers can be decomposed in many ways!

Place Value: Relationships 900,000 40,000 5,000 600 30 + 5 $945,635 (9 x 100,000) (4 x 10,000) (5 x 1,000) (6 x 100) (3 x 10) (5 x 1) Each digit to the left is 10 times greater. Each digit to the right is 10 times less.

What is the relationship between the 4’s in the number below: Place Value What is the relationship between the 4’s in the number below: 34,467

What is the relationship between the 4’s in the number below: Place Value What is the relationship between the 4’s in the number below: 35,447 The 4 in the tens place is ten times less than the 4 in the hundreds place. 40 400

Place Value: Expanded Notation (4 X 1,000) + (5 X 100) + (3 X 10) + (8 X 1) 4,000 500 30 + 8 standard form  4,538

If Sally uses crates to pack Place Value If Sally uses crates to pack 1,000 blocks, boxes to pack 100 and stacks to pack 10, how many packages could she have used if she had 3,240 blocks in all. 3 crates, 24 boxes 32 crates, 4 boxes 32 boxes, 4 stacks 3 crates, 2 boxes, 40 stacks

If Sally uses crates to pack Place Value If Sally uses crates to pack 1,000 blocks, boxes to pack 100 and stacks to pack 10, how many packages could she have used if she had 3,240 blocks in all. 3 crates, 24 boxes = (3 x 1,000) + (24 x 100) = 5,400 32 crates, 4 boxes = (32 x 1,000) + (4 x 100) = 32,400 32 boxes, 4 stacks = (32 x 100) + 4 x 10) = 3,240 3 crates, 2 boxes, 40 stacks = (3 x 1,000) + (2 x 100) + 40 x 10) = 3,600

Then it is looking for you to round the number Rounding If a problem says . . . About Nearly Close to Estimate Approximately Then it is looking for you to round the number

Rounding Mrs. Follett has 1,547 stickers. About how many thousand stickers does she have?

1,000___________1,500_____________2,000 Rounding Mrs. Follett has 1,547 stickers. About how many thousand stickers does she have? 1,547 1,000___________1,500_____________2,000 The number 1,547 falls closer to 2,000 on the number number line, so it rounds to 2,000.

Rounding There are three sets of legos. There are 230 legos in one set, 180 legos in another set and 270 in the third set. About how many legos are there in all?

Rounding There three sets of legos. There are 230 legos in one set, 180 legos in another set and 270 in the third set. About how many legos are there in all? 230 is about 200 180 is approximately 200 270 is close to 300 200 + 200 + 300 = 700 Don’t forget that you must round first and then add the numbers together!

Comparing Numbers 3,475 <, >, = 3,454

Comparing Numbers 3,475 > 3,454

Comparing Numbers 718 <, >, = 7,180

< 7,180 Comparing Numbers three digit four digit < 7,180 three digit four digit The three digit number is smaller than the four digit number!

Which shows the order from least to greatest: Comparing Numbers There were 1,267 mystery books in the library, 1,458 biographies, 1,698 poetry books and 1,432 fantasy books. Which shows the order from least to greatest: Mystery, biography, poetry, fantasy Mystery, fantasy, biographies, poetry Poetry, biographies, fantasy, mystery

Which shows the order from least to greatest: Comparing Numbers There were 1,267 mystery books in the library, 1,458 biographies, 1,698 poetry books and 1,432 fantasy books. Which shows the order from least to greatest: Mystery, biography, poetry, fantasy Mystery, fantasy, biographies, poetry Poetry, biographies, fantasy, mystery