Envision Math 3rd Grade Textbook Answer Key Topic 1.1 Hundreds

Review What You Know

Vocabulary
Choose the best term from the box.
Envision Math Grade 3 Answers Topic 1.1 Hundreds 8
Question 1.
The number 49 has 4 ? .
Answer:

Question 2.
The number 490 has 4 ? .
Answer:

Question 3.
The number 54 has 4 ? .
Answer:

Place Value

Write each number.
Question 4.
3 tens 5 ones
Answer:

Question 5.
9 tens
Answer:

Question 6.
forty-six
Answer:

Question 7.
ninety-eight
Answer:

Math Grade 3 Answer Key Topic 1.1 Hundreds 2

Question 8.
fifty-two
Answer:

Question 9.
seventy-six
Answer:

Addition and Subtraction

Find the sum or difference
Question 10.
6 + 5
Answer:

Question 11.
7 + 2
Answer:

Question 12.
8 + 9
Answer:

Question 13.
8 – 2
Answer:

Question 14.
7 – 5
Answer:

Question 15.
9 – 6
Answer:

Question 16.
7 + 6
Answer:

Question 17.
7 + 9
Answer:

Question 18.
9 – 1
Answer:

Compare Numbers

Question 19.
Writing to Explain Which is greater, 95 or 59? How do you know?
Answer:

Question 20.
Write these numbers in order from least to greatest:
14 54 41
Answer:

Hundreds

How can you read and write a number in the hundreds?
Answer:
All numbers are made from the digits, 0, 1,2, 3, 4, 5, 6, 7, 8, and 9.
Envision Math Grade 3 Answers Topic 1.1 Hundreds 1

Another Example
How can you show 850 on a place-value chart?
Envision Math Grade 3 Answers Topic 1.1 Hundreds 2

Guided Practice

Do you know HOW?
For 1-3, write each number in standard form.
Question 1.
Envision Math Grade 3 Answers Topic 1.1 Hundreds 3
Answer:

Question 2.
600 + 50 + 3
Answer:

Question 3.
eight hundred seventy-nine
Answer:

Question 4.
Write 156 in expanded form.
Answer:

Do you UNDERSTAND?
Question 5.
How does a place-value chart show the value of a number?
Answer:

Question 6.
When 850 is written in expanded form, why are there only two addends?
Answer:

Question 7.
How do you know that 37 and 307 do not name the same number?
Answer:

You can show 125 in different ways.
place-value blocks:
Envision Math Grade 3 Answers Topic 1.1 Hundreds 4
standard form: 125
expanded form: 100 + 20 + 5
word form: one hundred twenty-five

Independent Practice

Write each number in standard form.
Question 8.
Envision Math Grade 3 Answers Topic 1.1 Hundreds 5
Answer:

Question 9.
Envision Math Grade 3 Answers Topic 1.1 Hundreds 6
Answer:

Question 10.
Envision Math Grade 3 Answers Topic 1.1 Hundreds 7
Answer:

Question 11.
900 + 80 + 5
Answer:

Question 12.
400 + 70 + 8
Answer:

Question 13.
three hundred four
Answer:

Write each number in expanded form and word form.
Question 14.
707
Answer:

Question 15.
683
Answer:

Question 16.
894
Answer:

Question 17.
520
Answer:

Question 18.
251
Answer:

Question 19.
402
Answer:

Problem Solving

Question 20.
Reasoning The sum of the digits in a three-digit number is 4. The ones digit is 3. What is the number?
Answer:

Question 21.
Algebra Find the value of the missing number.
389 = ☐ + 80 + 9
Answer:

Question 22.
Writing to Explain Which digit has the greatest value in 589?
Answer:

Question 23.
Which is the standard form of 700 + 50?
A. 570
B. 705
C. 750
D. 1,200
Answer:

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