Envision Math 3rd Grade Textbook Answer Key Topic 1 Reteaching

Reteaching

Set A, pages 4-5

Write the number in expanded form, standard form, and word form.
Envision Math 3rd Grade Answer Key Topic 1 Reteaching 1
Standard form: 236
Expanded form: 200 + 30 + 6
Word form: two hundred thirty-six

Remember that, in some numbers, the digit 0 is needed to hold a place.

Write each number in standard form.
Question 1.
Envision Math 3rd Grade Answer Key Topic 1 Reteaching 2
Answer:

Question 2.
300 + 20 + 7
Answer:

Write each number in expanded form and word form.
Question 3.
456
Answer:

Question 4.
620
Answer:

Set B, pages 6-7

Write four thousand, sixteen in standard form and expanded form.
Envision Math 3rd Grade Answer Key Topic 1 Reteaching 3
Standard form: 4,016
Expanded form: 4,000 + 10 + 6

Remember to use a comma to separate thousands from hundreds.

Write each number in standard form and expanded form.
Question 1.
Two thousand, one hundred four
Answer:

Question 2.
Six thousand, seven hundred twenty-two
Answer:

Set C, pages 8-9

Find the value of the 4 in 847,193.
Envision Math 3rd Grade Answer Key Topic 1 Reteaching 4
The value is 40,000.

Remember that 10 thousands equal 1 ten thousand.

Write the place of each underlined digit. Then write its value.
Question 1.
341,791
Answer:

Question 2.
829,526
Answer:

Question 3.
570,890
Answer:

Question 4.
215,003
Answer:

Question 5.
197,206
Answer:

Question 6.
473,069
Answer:

Question 7.
628,174
Answer:

Question 8.
782,413
Answer:

Set D, pages 10-12

Compare 7,982 and 7,682.
Line up the digits by place value.
Compare the digits starting from the left.
Envision Math 3rd Grade Answer Key Topic 1 Reteaching 5
7,982 > 7,682

Remember, when ordering numbers, compare one place at a time.

Compare the numbers.
Use <, >, or =.
Question 1.
479 imgg 6 912
Answer:

Question 2.
3,187 Envision Math 3rd Grade Answer Key Topic 1 Reteaching 6 837
Answer:

Question 3.
1,156 Envision Math 3rd Grade Answer Key Topic 1 Reteaching 6 156
Answer:

Question 4.
271 Envision Math 3rd Grade Answer Key Topic 1 Reteaching 6 2,175
Answer:

Set E, pages 14-15

Write the numbers in order from least to greatest.
3,446 3,459 2,865
Envision Math 3rd Grade Answer Key Topic 1 Reteaching 7
3 > 2 4 = 4 4 < 5
The numbers from least to greatest: 2,865; 3,446; 3,459

Remember to compare only two numbers at a time.

Write the numbers in order from greatest to least.
Question 1.
393 182 229
Answer:

Question 2.
1,289 2,983 1,760
Answer:

Question 3.
916 1,916 196
Answer:

Question 4.
5,201 5,120 5,210
Answer:

Question 5.
816 8,160 8,016
Answer:

Question 6.
2,485 2,458 2,845
Answer:

Set F, pages 16–17

When you make an organized list to solve problems, follow these steps.
Step 1: Carefully read the clues or information from the problem.
Step 2: Choose one clue or piece of information and use it to start your list.
Step 3: Repeat Step 2 as often as needed until you have used all of the clues or information to make an organized list.

Remember to make sure each item matches all of the clues.

Question 1.
Pedro has a red marble, a blue marble, a yellow marble, and a green marble. He told Frank to take two marbles. How many different pairs of marbles can Frank take? List the pairs.
Answer:

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