Unit 1 Review

Place Value Understanding

100

Fill in the blank:

Thousands, ________, Tens, Ones

200

In the number 343,284, what is the value of the 4?

40,000

300

Write 32,384 in expanded form

30,000+2,000+300+80+4 

400

Write 75,374 in word form.

Seventy five thousand, three hundred and seventy four. 

500

The tens place is how many times greater than the ones place? 

10 times greater 

Comparing and Rounding

100

What are the three symbols called that we use when we compare two numbers?

Greater than, less than, or equal to

200

Fill in the blank: 

463__736

<

300

What is the rhyme we use for rounding? 

4 or less, give it a rest. 

5 or above, give it a shove. 

400

Round 733,482 to the nearest hundreds. 

733,500

500

Round 348,203 to the nearest hundred thousands.

300,000

Multi-step Problem Solving

100

A theater sold 2,845 on Saturday and sold 3,167 on Sunday. Which operation finds the total number of tickets sold?

a. Subtraction

b. Addition

c. Multiplication

d. Division 

b. Addition 

200

What is the letter called in math when the letter holds place for an unknown value?

Variable 

300

A store recieved 7,938 notebooks and sold 6,439 the next day. The student added these numbers together to see how many notebooks they have left. 

Was the student right? Correct the student if they are wrong. 

No, we have to subtract the two numbers. 

1,499 notebooks left. 

400

What is the diagram we use to help us draw out word problems (hint: it's a rectangle)

Tape Diagram 

500

Write an equation with a letter: "A number plus 3,750 equals 9,200"

X+3,750=9,200

Addition Strategies

100

Find the sum:

457+384

841

200

Find the sum: 

433,328+34,859

468,187

300

Why is regrouping during addition needed?

When the digit is higher than 9, we have to carry the tens to the neighbor. 

400

A student finds that 433,485+32,482 is 445,917. Correct the student and explain where they got it wrong. 

465,967

The student did not regroup correctly. 

500

A company delivered 3,473 packages on Monday, 5,372 packages on Tuesday, and 2,382 packages on Wednesday. How many packages in total did they deliver?

11,227 packages

Subtraction Strategies

100

Find the difference: 

843-235

608

200

Why may regrouping be needed when subtracting numbers. 

The digit on top may be too small to subtract from. 

300

Find the difference: 

930,005-418,726

511,279

400

In 2025, a library in New York had 63,273 and donated 32,432. How many books were left?

30,841 books

500

A student finds 70,000-26,458=54,542. 

Explain the regrouping mistake the student made and correct the error. 

43,542

Did not regroup correctly in the thousands place.