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Bridges in Mathematics Grade 1 Student Book Answer Key Unit 6 Figure the Facts with Penguins
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 1 Session 1 Answer Key
Penguins on Ice Ledges
Question 1.
Write an addition combination to tell how many penguins are standing on the ice ledges waiting to dive into the water.
Answer:
10+6 = 16 penguins,
10+1 = 11 penguins,
10+5 = 15 penguins,
10+3 = 13 penguins.
Explanation:
There are 10+6 which is 16 penguins standing on the ice ledges waiting to dive into the water in image 1.
There are 10+1 which is 11 penguins standing on the ice ledges waiting to dive into the water in image 2.
There are 10+5 which is 15 penguins standing on the ice ledges waiting to dive into the water in image 3.
There are 10+3 which is 13 penguins standing on the ice ledges waiting to dive into the water in image 4.
Answer:
The sum of the penguins in the given figure is 19 and 17.
Explanation:
There are 10+9 which is 19 penguins standing on the ice ledges waiting to dive into the water in image 1.
There are 10+7 which is 17 penguins standing on the ice ledges waiting to dive into the water in image 2.
There were 10 penguins on the top ledge and 4 penguins on the bottom ledge. How many in all?
Answer:
10+4 = 14 penguins.
Explanation:
Given that there are 10 penguins on the top ledge and 4 penguins on the bottom ledge. So the total number of penguins in all is 10+4 which is 14 penguins.
There were 10 penguins on the top ledge and 8 penguins on the bottom ledge. How many in all?
Answer:
10+8 = 18 penguins.
Explanation:
Given that there are 10 penguins on the top ledge and 4 penguins on the bottom ledge. So the total number of penguins in all is 10+8 which is 18 penguins.
Question 2.
CHALLENGE Solve each of the problems below.
- Read the problem and look at the picture.
- Solve the problem. Use numbers, words, or pictures to show your thinking.
- Write the answer.
a. There were 16 penguins on the ice ledges. Some of them jumped into the water. How many penguins jumped into the water?
_____________ penguins jumped into the water.
Answer:
The penguins jumped into the water is 3 penguins.
Explanation:
That there are 16 penguins on the ice ledges and some of them jumped into the water. As we can see 13 penguins in the above picture. So the penguins jumped into the water is 16-13 which is 3 penguins.
b. There were some penguins on the ice ledges. Four of them jumped into the water. How many penguins were on the ice ledges before the 4 jumped in?
There were _____________ penguins on the ice ledges before the 4 jumped in.
Answer:
There were 15 penguins on the ice ledges before the 4 jumped in.
Explanation:
Given that there were some penguins on the ice ledges and Four of them jumped into the water. As we can see there are 11 penguins in the above image. So the number of penguins on the ice ledges before the 4 jumped in is 11+4 which is 15 penguins.
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 1 Session 2 Answer Key
More Penguin Problems
Question 1.
How many penguins need to join each group below to make a huddle of 10? Fill in the empty box in each equation to show.
Answer:
Question 2.
Add.
Answer:
10+4 is 14,
6+10 is 16,
10+9 is 19,
7+10 is 17,
10+5 is 15,
10+10 is 20,
10+3 is 13,
Explanation:
The addition of 10+4 is 14,
The addition of 6+10 is 16,
The addition of 10+9 is 19,
The addition of 7+10 is 17,
The addition of 10+5 is 15,
The addition of 10+10 is 20,
The addition of 10+3 is 13.
Question 3.
Fill in the missing numbers to complete these equations.
10 + ___________ = 14
5 + ____________ = 15
10 + ___________ = 16
1 + ____________ = 11
Answer:
4, 10, 6, and 10 are the missing numbers to complete these equations.
Explanation:
Let the missing number be X, so the equation will be
10+X = 14
X = 14-10
= 4.
The complete equation is 10+4 = 14.
Let the missing number be X, so the equation will be
5+X = 15
X = 15-5
= 10.
The complete equation is 5+10= 15.
Let the missing number be X, so the equation will be
10+X = 16
X = 16-10
= 6.
The complete equation is 10+5 = 15.
Let the missing number be X, so the equation will be
1+X = 11
X = 11-1
= 10.
The complete equation is 1+10 = 11.
Question 4.
CHALLENGE There were 7 penguins on the ice. Some more penguins joined them, and then there were 13 penguins in the huddle. How many penguins joined the huddle? Write and solve an equation to show.
Answer:
The number of penguins who joined the huddle is 6 penguins.
13-7 = 6.
Explanation:
Given that there are 7 penguins on the ice as some of the penguins joined them, then there were 13 penguins in the huddle. So the number of penguins that joined the huddle is 13-7 which is 6 penguins. The equation is 13-7 = 6.
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 2 Session 3 Answer Key
Penguins Marching Two by Two
The penguins are learning how to march in pairs. Can you help them?
Answer:
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 3 Session 1 Answer Key
More Swimming Penguin Problems
Read and solve each of the problems below. Show your work.
- Use numbers, pictures, or words to help solve the problem.
- Fill in the missing number in the equation when you find the answer.
Question 1.
Six penguins are on the ice. Four penguins are in the water. How many penguins in all?
6 + 4 = _____________ penguins
Answer:
6+4 = 10 penguins.
Explanation:
Given that there are six penguins on the ice and four penguins are in the water. So the total number of penguins in all is 6+4 which is 10 penguins.
Question 2.
There are 7 penguins on the ice and 11 penguins in all. How many penguins in the water?
7 + _____________ = 11 penguins
Answer:
7+4 = 11 penguins.
The number of penguins in the water is 4 penguins.
Explanation:
Given that there are 7 penguins on the ice and 11 penguins in all. So the number of penguins in the water is 11-7 which is 4 penguins. The number of penguins in the water is 4 penguins.
Question 3.
There are 5 penguins in the water and 15 penguins in all. How many penguins are hiding behind the hill?
___________ + 5 = 15 penguins
Answer:
10+5 = 15 penguins.
The number of penguins hiding behind the hill is 10 penguins.
Explanation:
Given that there are 5 penguins in the water and 15 penguins in all. So the number of penguins hiding behind the hill is 15-5 which is 10 penguins.
Question 4.
Seven penguins are in the water, and there are 14 penguins in all. How many penguins are hiding behind the hill?
____________ + 7 = 14 penguins
Answer:
7+7 = 14 penguins.
The number of penguins hiding behind the hill is 7 penguins.
Explanation:
Given that there are 7 penguins in the water, and there are 14 penguins in all. So the number of penguins hiding behind the hill is 14-7 which is 7 penguins.
Question 5.
There are 12 penguins on the ice and 20 penguins in all. How many penguins in the water?
12 + _____________ = 20 penguins
Answer:
12+8 = 20 penguins.
The number of penguins in the water is 8 penguins.
Explanation:
Given that there are 12 penguins on the ice and 20 penguins in all. So the number of penguins in the water is 20-12 which is 8 penguins. The number of penguins in the water is 8 penguins.
Question 6.
There were some penguins swimming in the water. 3 more penguins jumped in. Now there are 23 penguins in the water. How many penguins were in the water to start with?
_____________ + 3 = 23 penguins
Answer:
20+3 = 23 penguins.
The number of penguins in the water to start with is 20 penguins.
Explanation:
Given that there were some penguins swimming in the water and 3 more penguins jumped in. Now there are 23 penguins in the water. So the number of penguins in the water to start with is 23-3 which is 20 penguins. The number of penguins were in the water to start with is 20 penguins.
Question 7.
CHALLENGE The penguin brothers, Ollie and Sammy, are having a fishing contest with their sisters, Molly and Pammy. Ollie caught 9 fish and Sammy caught 4 fish. Molly caught 7 fish and Pammy caught 6 fish.
a. Who caught more fish—the brothers or the sisters? Use extra paper to show your work.
Answer:
They caught the same amount of fish.
Explanation:
Given,
Ollie caught 9 fish and Sammy caught 4 fish. Molly caught 7 fish and Pammy caught 6 fish.
Total fishes brothers caught = 9 + 4 = 13 fishes.
Total fishes sisters caught = 7 + 6 = 13 fishes
Hence, they caught the same amount of fish.
b. How many fish did the brothers and sisters catch in all? Use extra paper to show your work.
Answer:
The penguins caught 26 fish in all.
Explanation:
Ollie caught 9 fish and Sammy caught 4 fish. Molly caught 7 fish and Pammy caught 6 fish.
Total fishes brothers caught = 9 + 4 = 13 fishes.
Total fishes sisters caught = 7 + 6 = 13 fishes
Hence total fishes brothers and sisters caught is 13 + 13 = 26 fishes.
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 3 Session 2 Answer Key
More Diving Penguin Problems
Read and solve each of the problems below. Show your work.
- Use numbers, pictures, or words to help solve the problem.
- Fill in the missing number in the equation when you find the answer.
Question 1.
There were 11 penguins on the ice. Then 3 of them dove into the water. How many penguins are left on the ice?
11 – 3 = _____________ penguins
Answer:
11-3 = 8 penguins.
The number of penguins left on the ice is 8 penguins.
Explanation:
Given that there are 11 penguins on the ice and then 3 of them dove into the water. So the number of penguins left on the ice are 11-3 which is 8 penguins.
Question 2.
There were 10 penguins on the ice. Some of them dove into the water, and now there are only 3 penguins left on the ice. How many penguins dove into the water?
10 – _____________ = 3 penguins
Answer:
10-7 = 3 penguins.
The number of penguins left on the ice is 7 penguins.
Explanation:
Given that there are 10 penguins on the ice and some of them dove into the water, now there are only 3 penguins left on the ice. So the number of penguins left on the ice is 10-3 which is 7 penguins.
Question 3.
Some penguins were on the ice. Then 4 dove into the water. Now there are only 9 penguins left on the ice. How many penguins were on the ice to start?
___________ – 4 = 9 penguins
Answer:
13-4 = 9 penguins.
The number of penguins on the ice to start is 13 penguins.
Explanation:
Given that there are 4 penguins dove into the water and now there are only 9 penguins left on the ice. So the number of penguins on the ice to start is 9+4 which is 13 penguins.
Question 4.
Solve each of the equations below. Write the answers in the empty boxes. Use numbers, pictures, or words to show how you got the answers.
20 – _________ = 10
__________ – 10 = 3
Answer:
20-10 = 10.
13-10 = 3.
Explanation:
Let the empty boxes be X. So the equation will be
20-X = 10,
20-10 = X,
X = 10.
Let the empty boxes be X. So the equation will be
X-10 = 3,
X = 3+10,
X = 13.
Question 5.
Some penguins were playing on the ice. Then 10 of them dove into the water, and only 8 penguins were left on the ice. How many penguins were on the ice to start? Use numbers, pictures, or words to show how you got the answer.
___________ – 10 = 8
Answer:
There were 18 penguins on the ice to start.
Question 6.
CHALLENGE Some penguins were playing on the ice. Then 8 of them dove into the water. A few seconds later, 5 of those penguins jumped back onto the ice. Now there are 12 penguins on the ice. How many penguins were on the ice to start? Use numbers, pictures, or words to show how you got the answer.
Answer:
There were 15 penguins on the ice to start.
Explanation:
There are 12 penguins on the ice.
penguins jumped back onto the ice = 5
12 – 5 = 7 penguins on the ice before
Then 8 of them dove into the water
7 + 8 = 15 penguins on the ice to start.
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 4 Session 1 Answer Key
Emperor Penguin Data Sheet
Answer:
The height of the emperor penguin is 45 inches. The weight of an emperor penguin is 80 pounds.
Explanation:
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 4 Session 2 Answer Key
Little Blue Penguin Data Sheet
Answer:
The height of a little blue penguin is 35 inches and the weight of the little blue penguin is 30 pounds.
Explanation:
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 4 Session 3 Answer Key
Me & the Penguins Again
Question 1.
Mark and color in each of the measuring strips below to show the height of the emperor, the little blue, and your own height.
Answer:
We have marked and colored each of the measuring strips below to show the height of the emperor, the little blue, and your own height. Check the below figure.
Explanation:
Question 2.
Fill in your height and those of the penguins, and use the greater than > and less than < signs to compare them in the boxes below.
Answer:
Explanation:
Question 3.
Write the heights of the two penguins and your height, from shortest to tallest.
_____________ < _____________ < _____________
Answer:
The shortest to tallest heights are 16 < 20 < 45.
Explanation:
Given,
The height of the two penguins is 20 and 45.
And my height is 16.
The shortest to tallest heights are 16 < 20 < 45.
Question 4.
How much taller are you than the ______________?
(Circle the penguin you choose.)
Answer:
I am taller than the little blue penguin.
Explanation:
a. Show how you solved this problem. Use numbers, pictures, or words to help.
Answer:
My height is 20 inches and the little blue penguin is 16 inches.
Explanation:
I have shown in the below figure that my height is taller than the little blue penguin.
20 > 16.
b. I am _____________ inches taller than the ________________ penguin.
Answer:
4 inches taller than the little blue penguin.
Explanation:
I am 4 inches taller than the little blue penguin.
Bridges in Mathematics Grade 1 Student Book Unit 6 Module 4 Session 5 Answer Key
Penguin Pairs: Counting by Twos
Trace the dotted numbers and fill in all the missing counting-by-2s numbers to 100.
Answer:
We traced the dotted numbers and filled in all the missing counting-by-2s numbers to 100.
Explanation:
Check the below figure.
