More Swimming Penguin Problems page 1 of 2 · 2020. 4. 20. · Bridges in Mathematics Grade 1 Student Book 44 © The Math Learning Center | mathlearningcenter.org Session 2 More Diving

42 © The Math Learning Center | mathlearningcenter.orgBridges in Mathematics Grade 1 Student Book

Session 1

More Swimming Penguin Problems page 1 of 2Read 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.

1 Six penguins are on the ice. Four penguins are in the water. How many penguins in all?

4 6 + 4 = penguins

2 There are 7 penguins on the ice and 11 penguins in all. How many penguins in the water?

? 7 + = 11 penguins

3 There are 5 penguins in the water and 15 penguins in all. How many penguins are hiding behind the hill?

?

+ 5 = 15 penguins

Unit 6 Module 3

NAME | DATENAME | DATE

(continued on next page)


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


? 12 + = 20 penguins

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

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.

b How many fish did the brothers and sisters catch in all? Use extra paper to show your work.

Session 1

More Swimming Penguin Problems page 2 of 2

Unit 6 Module 3

NAME | DATE


Session 2

More Diving Penguin Problems page 1 of 2Read 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.

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

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

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

Unit 6 Module 3




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

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

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.

Session 2

More Diving Penguin Problems page 2 of 2

Unit 6 Module 3

NAME | DATE

97 © The Math Learning Center | mathlearningcenter.orgBridges in Mathematics Grade 1 Home Connections

Session 4

Equations & Fact Practice page 1 of 2

1 Circle T if the equation is true. Circle F if the equation is false.

ex 10 + 3 = 13 T F a 6 + 6 = 12 T F

b 12 = 7 + 5 T F c 12 – 8 = 4 T F

d 10 – 2 = 6 T F e 10 = 6 + 4 T F

f 5 + 6 = 6 + 5 T F g 11 = 3 + 7 T F

2 Read the story. Circle T if it could be true. Circle F if it must be false.a Sara had 8 cars. She got 7 more cars for her birthday.

Now she has 15 cars in all.T F

b Max made 13 cookies. His brother ate all the cookies. Max has 3 cookies left.

T F

3 Read the story. Circle the matching equation.a There were 4 bugs in the garden, and then 9 more bugs came. How many bugs in all?

13 – 4 = 9 10 + 3 = 13 4 + 4 = 8 4 + 9 = 13

b Fourteen frogs were in the pond. Then 6 frogs hopped away. How many frogs were left?

14 + 6 = 20 14 – 6 = 8 14 – 4 = 10 12 – 6 = 6

c There were 12 penguins standing on the ice and 2 penguins in the water. How many more penguins were there on the ice than in the water?

12 + 2 = 14 2 + 8 = 10 12 – 2 = 10 14 – 12 = 2

Unit 6 Module 3




4 Solve each problem below. 5 Fill in the blanks.

a

10 + 4 = ____

b

9 + 4 = ____

10 + 0 = _____

10 + 3 = _____

10 + 1 = _____

10 + 7 = _____

10 + 2 = _____

10 + 5 = _____

10 + 9 = _____

4 + 10 = _____

6 + 10 = _____

8 + 10 = _____

10 + ____ = 17

9 + 0 = _____

9 + 3 = _____

9 + 1 = _____

9 + 7 = _____

9 + 2 = _____

9 + 5 = _____

9 + 9 = _____

4 + 9 = _____

6 + 9 = _____

8 + 9 = _____

9 + ____ = 17

c

10 + 6 = ____

d

9 + 6 = ____

e

10 + 8 = ____

f

9 + 8 = ____

Session 4


Unit 6 Module 3

NAME | DATE

Answer Keys


Session 1

More Swimming Penguin Problems page 1 of 2Read 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.

1 Six penguins are on the ice. Four penguins are in the water. How many penguins in all?

4 6 + 4 = penguins


? 7 + = 11 penguins

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 Key

10

4

10

Student work will vary.

Unit 6 Module 3




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


? 12 + = 20 penguins

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

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.

b How many fish did the brothers and sisters catch in all? Use extra paper to show your work.

Session 1

More Swimming Penguin Problems page 2 of 2

Answer Key

7

8


Student work, if shown, will vary.

20

They caught the same amount. Student work will vary.

The penguins caught 26 fish in all.

Unit 6 Module 3

NAME | DATE


Session 2

More Diving Penguin Problems page 1 of 2Read 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.

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

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

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 Key

8

7

13


Unit 6 Module 3




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

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

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.

Session 2

More Diving Penguin Problems page 2 of 2

Answer Key

10 13



Student work will vary.Many will follow a line of reasoning

similar to that shown in these statements:12 (penguins on the ice) – 5 (jumped back onto the ice) =

7 (penguins on the ice just before)7 (penguins on the ice just before) + 8 (dove into the

water) = 15 penguins on the ice originally

18

Unit 6 Module 3

NAME | DATE


Session 4


1 Circle T if the equation is true. Circle F if the equation is false.

ex 10 + 3 = 13 T F a 6 + 6 = 12 T F

b 12 = 7 + 5 T F c 12 – 8 = 4 T F

d 10 – 2 = 6 T F e 10 = 6 + 4 T F

f 5 + 6 = 6 + 5 T F g 11 = 3 + 7 T F

2 Read the story. Circle T if it could be true. Circle F if it must be false.a Sara had 8 cars. She got 7 more cars for her birthday.

Now she has 15 cars in all.T F

b Max made 13 cookies. His brother ate all the cookies. Max has 3 cookies left.

T F

3 Read the story. Circle the matching equation.a There were 4 bugs in the garden, and then 9 more bugs came. How many bugs in all?

13 – 4 = 9 10 + 3 = 13 4 + 4 = 8 4 + 9 = 13

b Fourteen frogs were in the pond. Then 6 frogs hopped away. How many frogs were left?

14 + 6 = 20 14 – 6 = 8 14 – 4 = 10 12 – 6 = 6

c There were 12 penguins standing on the ice and 2 penguins in the water. How many more penguins were there on the ice than in the water?

12 + 2 = 14 2 + 8 = 10 12 – 2 = 10 14 – 12 = 2

Answer KeyUnit 6 Module 3




4 Solve each problem below. 5 Fill in the blanks.

a

10 + 4 = ____

b

9 + 4 = ____

10 + 0 = _____

10 + 3 = _____

10 + 1 = _____

10 + 7 = _____

10 + 2 = _____

10 + 5 = _____

10 + 9 = _____

4 + 10 = _____

6 + 10 = _____

8 + 10 = _____

10 + ____ = 17

9 + 0 = _____

9 + 3 = _____

9 + 1 = _____

9 + 7 = _____

9 + 2 = _____

9 + 5 = _____

9 + 9 = _____

4 + 9 = _____

6 + 9 = _____

8 + 9 = _____

9 + ____ = 17

c

10 + 6 = ____

d

9 + 6 = ____

e

10 + 8 = ____

f

9 + 8 = ____

Session 4


Answer Key

10

13

11

17

12

15

19

14

16

18

9

12

10

16

11

14

18

13

15

17

7 8

14 13

16 15

18 17

Unit 6 Module 3

NAME | DATE

Documents

More Swimming Penguin Problems page 1 of 2 · 2020. 4. 20. · Bridges in Mathematics Grade 1 Student Book 44 © The Math Learning Center | mathlearningcenter.org Session 2 More Diving