Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 3.1 Answer Key Model 4-Digit Numbers.
Texas Go Math Grade 2 Lesson 3.1 Answer Key Model 4-Digit Numbers
Explore
Use blocks. Draw to show your models. Write the numbers.
Aaron ___________
Tasha ___________
FOR THE TEACHER • Read the following problem. Aaron models a number with 4 hundreds, 3 tens, and 7 ones. Tasha models a different number that uses the same three digits.
Answer:
Answer may vary from child to child.
Explanation:
4 hundreds, 3 tens, and 7 ones
The above given numbers are the models of Aaron.
By using the same numbers Tasha can write different model of numbers,
Example;
3 hundreds, 4 tens, and 7 ones
7 hundreds, 3 tens, and 4 ones
3 hundreds, 7 tens, and 4 ones
Math Talk
Mathematical Processes
What is the value of the digit 4 in each number you wrote?
Answer:
The place value of digit 4 in each number is thousandth place.
Explanation:
There are 10 hundreds in 1 thousand.
Model and Draw
There are 10 hundreds in 1 thousand.
Answer: 1,138
Explanation:
There are 10 hundreds in 1 thousand.
There are 10 tens in 100
There are 3 tens in 30 and 8 ones in 8.
So, the number is 1,138
Share and Show
Use blocks. Complete the chart. Write the number.
Question 1.
Answer:1055
Explanation:
There are 10 hundreds in 1 thousand.
There are 5 tens in 50 and 5 ones in 5.
So, the number is 1,055
Question 2.
Answer:1200
Explanation:
There are 10 hundreds in 1 thousand.
There are 2 hundreds in 200
So, the number is 1,200
Question 3.
Answer:1147
Explanation:
There are 10 hundreds in 1 thousand.
There is 1 hundred in 100
There are 4 tens in 40 and 7 ones in 7.
So, the number is 1,147
Problem Solving
Use blocks. Complete the chart. Write the number.
Question 4.
Answer:1099
Explanation:
There are 10 hundreds in 1 thousand.
There are 9 tens in 90 and 9 ones in 9.
So, the number is 1,099
Question 5.
Answer:1122
Explanation:
There are 10 hundreds in 1 thousand.
There is 1 hundred in 100
There are 2 tens in 20 and 2 ones in 2.
So, the number is 1,122
Write a number to match the clues. Use blocks if you need to.
Question 6.
H.O.T. My 4-digit number has fewer than 2 thousands. It has no hundreds, tens, or ones. What is my number?
Answer: 1000
Explanation:
1000 is fewer then 2000 and it has no hundreds and no ten and ones.
Question 7.
H.O.T. Multi-Step My number has 1 hundred and 1 thousand. It has double the number of tens as ones. What could my number be?
Answer:1122
Explanation:
Explanation:
There are 10 hundreds in 1 thousand.
There is 1 hundred in 100
There are 2 tens in 20 and 2 ones in 2.
So, the number is 1,122
Question 8.
H.O.T. Cathy wants to model the number 1,100 using only hundreds blocks. How many does she need?
Answer:
She need 11 hundred blocks
Explanation:
There are 10 hundreds in 1 thousand.
There is 1 hundred in 100
So, the number is 1,100
Daily Assessment Task
Choose the correct answer.
Question 9.
Connect Rob writes the number 1,150. Which list of blocks could he use to show this number?
(A) 1 thousand, 1 hundred, 5 tens, and 0 ones
(B) 1 thousand, 5 hundreds, 1 ten, and 0 ones
(C) 0 thousands, 5 hundreds, 1 ten, and 1 one
Answer:
Option (A)
Explanation:
Rob has to use 10 hundreds in 1 thousand block.
1 hundred block in 100
There are 5 ten blocks in 50
So, the number is 1,150
Question 10.
Representations Bree writes a number as I thousand, 8 hundreds, 9 tens, and 7 ones. Which is another way to write her number?
(A) 1,879
(B) 1,798
(C) 1,897
Answer:
Option (C)
Explanation:
In the above the number is represented with place values.
Put all the place values in the ascending order to write the number in another form.
So, the number is 1,897
Question 11.
Connect Marita’s number has the digit 7 in the hundreds place. Which of the following could be her number?
(A) 1,287
(B) 1,278
(C) 1,728
Answer:
Option(C)
Explanation:
From the above options,
option C has the digit 7 in the hundreds place.
Question 12.
TEXAS Test Prep Which of these numbers is shown with the model?
(A) 243
(B) 1,143
(C) 1,138
Answer:
Option (B)
Explanation:
The above model,
There are 10 hundreds in 1 thousand.
There is 1 hundred in 100
There are 4 tens in 40 and 3 ones in 3.
So, the number is 1,138
TAKE HOME ACTIVITY • Have your child explain how he or she solved one of the exercises in this lesson.
Answer:
It differs from child learning.
Explanation:
By bringing the concept of blocks one can easily understand the place values and write the numbers.
Texas Go Math Grade 2 Lesson 3.1 Homework and Practice Answer Key
Use blocks. Complete the chart. Write the number.
Question 1.
Answer: 1053
Explanation:
There are 10 hundreds in 1 thousand.
There are 5 tens in 50 and 3 ones in 3.
So, the number is 1,053
Question 2.
Answer: 1178
Explanation:
There are 10 hundreds in 1 thousand.
There is 1 hundred in 100
There are 7 tens in 70 and 8 ones in 8.
So, the number is 1,178
Problem Solving
Write a number to match the clues. Use blocks if you need to.
Question 3.
Ryan wants to model the number 1,200 using only hundreds blocks. How many does he need? Draw or write to explain your answer.
Answer:
She need 12 hundred blocks.
Explanation:
There are 10 hundreds blocks in 1 thousand.
There are 2 hundred blocks in 200.
So, the number is 1,200
He need 12 hundred blocks in all.
Question 4.
Multi-Step My number has 2 hundreds and 1 thousand. It has 4 ones and one more tens blocks than ones blocks. What is my number?
Answer: 1214
Explanation:
There are 10 hundreds in 1 thousand block.
There are 2 hundred blocks in 200
There are 1 tens block in 10 and 4 ones block in 4.
So, the number is 1,122
Lesson Check
Choose the correct answer.
Question 5.
What is the number?
(A) 146
(B) 1,046
(C) 461
Answer:
Option (B)
Explanation:
There are 10 hundreds blocks in 1 thousand.
There are 4 tens block in 40 and 6 ones block in 6.
So, the number is 1,046
Question 6.
Dena models a number. Her number has a 5 in the tens place. Which of the following could be her number?
(A) 1,153
(B) 571
(C) 1,095
Answer:
Option (A)
Explanation:
From the above options, option B is correct as it has 5 in tens place.
Question 7.
Shown writes a number as 1 thousand, 1 hundred, 3 tens. and 9 ones. Which is another way to write his number?
(A) 1,193
(B) 1,039
(C) 1,139
Answer:
Option (C)
Explanation:
In the above the number is represented with place values.
Put all the place values in the ascending order to write the number in another form.
So, the number is 1,139
Question 8.
Brenda writes the number 1,052 on a card. Which is another way to write Brenda’s number?
(A) 1 thousand, 0 hundreds, 2 tens, and 5 ones
(B) 1 thousand, 0 hundreds, 5 tens, and 2 ones
(C) 1 thousand, 0 hundreds, 2 tens, and 5 ones
Answer:
Option (B)
Explanation:
By writing the given number with place values in expanded form.
So, we can write as 1 thousand, 0 hundreds, 5 tens, and 2 ones.