4 7 3 9 0 3 2 8 5 6 47,390 hundreds 7,032,856 0 7 hundred thousands 1. Identify the place value of a digit in a whole number.
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4 7 3 9 0
3 2 8 5 6
47,390hundreds
7,032,85607 hundred thousands
1. Identify the place value of a digit in a whole number.
2. Write whole numbers in words and in standard form.
Write each number in words:
a. 42b. 798c. 23,000,017
a. forty-two
b. seven hundred ninety-eight
d. 203,052
Write each number in standard form:
d. two hundred three thousand, fifty-two
e. nine hundred forty-six million, four hundred sixteen thousand, twenty-two
c. twenty three million, seventeen
e. 946,416,022
4. Compare whole numbers using inequality symbols.
Graphing allows us to represent a single number or a set of numbers on a number line.
“Graph the number 8” means to locate its position on the number line.
“Graph the number 5” means to locate its position on the number line.
3. Write a whole number in expanded form.
Writing numbers in expanded form makes values become more clear.
56,021becomes
50,000 + 6,000 + +20 1
or
5 ten thousands+ 6 thousands + 2 tens 1 ones+
5 25 2.
522 5.
• Complete each statement using the inequality symbols.
3 1>
16 48<
5. Round whole numbers.
Round 365,283 to the nearest hundred.
365,300
6. Read tables and graphs involving whole numbers.
6. Read tables and graphs involving whole numbers.
• Read the objectives 1-10 for section 1.2 on page 15 of your text. Are there any objectives that are unclear?
• We are going to review the application objectives for this section.
4. Solve application problems by adding whole numbers.
in all
total
increase
combined
upgain
forward
in the futurerise
altogether
more thanextra
perimeter
Self Check 4 page 20
Self Check 5 page 21
Self Check 6 page 21
9. Solve application problems by subtracting whole numbers.
loss
decrease
remove
down
remainsreduce
less than
backwarddebit
fell
declined
in the past fewer
take away
• Self Check 12 page 26
• Self Check 13 page 27
10. Evaluate expressions involving addition and subtraction.
When expressions only have addition and subtraction, we MUST perform the operations as they occur from left to right!
