# Texas Go Math Grade 2 Lesson 10.8 Answer Key Write and Solve Problems

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 10.8 Answer Key Write and Solve Problems.

## Texas Go Math Grade 2 Lesson 10.8 Answer Key Write and Solve Problems

Explore

Write a number sentence for the story problem. Use a ☐ for the missing number. Then solve.
____________ stickers
____________ red blocks

FOR THE TEACHER • Read the following problem to children. Have them write a number sentence for it, then solve the problem. Allison has 25 cat stickers and 39 dog stickers. How many stickers does she have in all? Repeat for the following problem. Hiro has 72 blocks. 42 of the blocks are blue and the rest are red. How many blocks are red?
25 + 39 = ☐
72 – 42 = ☐

Math Talk
Mathematical Processes

Describe how you decided what operation to use in the second problem.
If we need the total we use sum and we we need the left over ones we use difference.

Model and Draw

Write a story problem that this number sentence could be used to solve. Anna has ___________ coins. Her sister gives her some more coins.
Now she has __________ coins. How many coins did her sister give her?
Subtract to solve the problem. ___________ coins Explanation:
Anna has 251 coins. Her sister gives her some more coins.
Now she has 456 coins.
Her sister give her 205 coins.

Share and Show

Write a story problem that this number sentence could be used to solve. Then solve.

Question 1.
965 – 436 = ☐
Jake has 965 blocks. Explanation:
Jake has 965 blocks, he gave 436 to his friend.
How many are left with jake
965-436=529
529 blocks are left with jake.

Question 2.
523 + 417 = ☐
Drew has some straws. Explanation:
Drew has 523 straws and he bought 417 coins the straws the next day
523+417=940
Drew has 940 straws in all.

Problem Solving

Write a word problem that this number sentence could be used to solve. Then solve.

Question 3.
☐ + 345 = 752
Lots of deer live in the state park. Explanation:
752 deers live in the state park, out of which 345 are sleeping. How many are awake.
752-345=407
407 deers are awake.

Question 4.
384 – 133 = ☐ Explanation:
The difference of 384 and 133 is 251.

Solve. Write or draw to explain.

Question 5.
H.O.T. Multi-Step Use the number sentences to complete the story problem. There are ___________ birds at the lake.
_________ birds fly away. Then __________ more birds fly to the lake. How many birds are at the lake now? ___________ birds Explanation:
There are 340 birds at the lake.
214 birds fly away. Then 245 more birds fly to the lake.
340-214=126
214+245=459
459 birds are at the lake now.

Choose the correct answer.

Question 6.
Use Symbols Russell found 101 stones. Becky found 224 stones. Which number sentence can be used to find the total number of stones that they found?
(A) 224 + 199 = ☐
(B) 224 – 101 = ☐
(C) 224 + 101 = ☐
(C)224 + 101 = ☐

Explanation:
Russell found 101 stones. Becky found 224 stones
224 + 101 = ☐
224+101=325
So, The number sentence (C) can be used to find the total number of stones that they found.

Question 7.
Write a story problem that could be shown with the number sentence. Then solve.
145 + 253 = ☐ Explanation:
John has 145 pens and his dad bought 253 pens for him. How many pens will John have now?
145+253=398
John have 398 pens now.

Question 8.
TEXAS Test Prep There are 381 ducks at a lake. 219 more ducks come to the lake. Which number sentence can be used to find how many ducks are at the lake now?
(A) 381 – ☐ = 219
(B) 381 – 219 = ☐
(C) 381 + 219 = ☐
(C) 381 + 219 = ☐

Explanation:
There are 381 ducks at a lake. 219 more ducks come to the lake.
381 + 219 = ☐
381+219=600
The number sentence (C) can be used to find how many ducks are at the lake now.

TAKE HOME ACTIVITY • Ask your child to explain how he or she solved an exercise in this lesson.

### Texas Go Math Grade 2 Lesson 10.8 Homework and Practice Answer Key

Write a story problem that this number sentence could be used to solve. Then solve.

Question 1.
351 + ☐ = 465
Ben has 351 coins. Explanation:
Ben has 351 coins. His mom gave him some more coins. Now ben has 465 coins in all. What is the number of coins Ben’s mom gave?
465-351=114
Ben’s mom gave him 114 coins.

Use the number sentences to complete the story problem.

Question 2.
There are __________ pictures to color in Erica’s coloring book.
325 – ☐ = 107
She has _________ pictures left to color. How many pictures has Erica finished?
___________ pictures Explanation:
There are 325 pictures to color in Erica’s coloring book.
She has 107 pictures left to color.
325 – 218 = 107
218 pictures Erica has finished.
218 pictures.

Question 3.
Multi-Step There are ___________ chickens in a pen. ___________ chickens leave the pen.
Then __________ chickens go back into the pen. How many chickens are in the pen now?
___________ chickens Explanation:
There are 100 chickens in a pen.
100-21=79
79+15=94
21 chickens leave the pen.
Then 15 chickens go back into the pen.
94 chickens are in the pen now.

Lesson Check

Choose the correct answer.

Question 4.
There are 183 people at a play. Then 128 more people come to the play. Which number sentence con be used to find how many people are at the play now?
(A) 183 – ☐ = 128
(B) 183 + 128 = ☐
(C) 183 – 128 = ☐
(C) 183+ 128 = ☐

Explanation:
There are 183 people at a play.
Then 128 more people come to the play.
183 + 128 = ☐
183+128=311
The number sentence (C) can be used to find how many people are at the play now.

Question 5.
On Monday, 346 people went to the movies. On Tuesday, 192 people went to the movies. On Wednesday, 174 people went to the movies. Which number sentence can be used to find how many more people went to the movies on Monday than on Wednesday?
(A) 192 + 174 = ☐
(B) 346 + 192 = ☐
(C) 346 – 174 = ☐
(C) 346 – 174 = ☐

Explanation:
On Monday, 346 people went to the movies. On Tuesday, 192 people went to the movies. On Wednesday, 174 people went to the movies.
346 – 174 = ☐
346 – 176 = 172
The number sentence (C) can be used to find how many more people went to the movies on Monday than on Wednesday.

Question 6.
Alan and Bret collected 110 canned goods for the town pantry. Sue and Anna collected 242 canned goods for the pantry. Which number sentence can be used to find the total number of canned goods collected?
(A) 242 – 110 = ☐
(B) 110 + 242 = ☐
(C) 242 – ☐ = 110