Chapter 1 Review

Terminology

100

What is the rule for rounding?

4 or less let it rest. 5 or more, add one more. 

200

What is another word for digit? 

Number

300

What is a number pattern? 

A specific rule that each number in a pattern goes up or down by. For example +100 or -10

400

In this number, what value does the digit 8 represent?3,821

800

500

What does an increment refer to on the number line? 

An increment is the size of each step on a number line. The steps must all be equal.

For example:

• If a number line goes from 0 to 100 with 10 tick marks, each increment is 10.

Number Patterns

100

Write + or -. Then complete the problem with the missing number. 

1,801 (+ or -) __?__= 1,791

- 100

200

Put the numbers in order from least to greatest: 

453.  78.   491.  602.   1,002. 

78, 453, 491, 602, 1,002

300

Complete the pattern: 

__?__ 3,952 __?__ __?__ 4,252 4,352

3,852.   3,952.  4,052. 4,152. 4,252. 4,352

400

Rule: add 10

input:              output: 

5,284                  ?

692                     ?

5,294

702

500

Rule: subtract 1,000

input:        output: 

3,715            ?

3,697             ?

2,715

2,697

Rounding to Thousands

100

When rounding to the nearest thousand, look at the digit in the _______ place. 

hundreds

200

Round 6,484 to the nearest thousand

6,000

300

What is 632 rounded to the nearest thousand?

1,000

400

Compare the two numbers

3,845 ___ 3,571

>

500

What is 945 rounded to the nearest thousand? 

1,000

Rounding to Hundreds

100

What two hundreds values would the number 456 be between on the number line?

400 and 500

200

When rounding to the nearest hundred, look at the digit in the _____ place. 

tens 

300

Round 6, 893 to the nearest hundred. 

6, 900

400

True or False? 

When rounding to the nearest hundred, every digit after the hundreds digit becomes a zero. 

True

500

Round to the nearest hundred. 

5,029

5,000

Rounding to Tens

100

When rounding to the nearest ten, look at the digit in the ____ place. 

ones 

200

Round to the nearest 10. 

3, 561

3,560

300

Round to the nearest thousand, hundred, and then ten. 

4,148

Th: ?     H: ?      T: ?    

Th: 4,000.   H: 4,100.    T: 4,150

400

Round this number to the nearest thousand, hundred, and then tens (you should have 3 answers on your board) 

2,505

Th: 

H: 

T:

Th: 3,000

H: 2,500

T: 2,510

500

Complete the sentence. 

26 is between ____ and ____ on the number line. It is closer to ____ when rounded to the nearest ten. 

20 and 30

30