The answers to **Bridges in Mathematics Grade 1 Home Connections Answer Key Unit 1 Module 2** are undoubtedly the best study material a student can get hold of.

## Bridges in Mathematics Grade 1 Home Connections Answer Key Unit 1 Module 2

**Bridges in Mathematics Grade 1 Home Connections Unit 1 Module 2 Session 2 Answer Key**

**Ten Ladybugs**

Look at the pictures of the gray and white ladybugs below. It looks like they are making a number rack! Fill in the correct number in the empty box to make the equation true.

Question 1.

Answer:

Explanation:

Number of black ladybugs = 6.

Number of white ladybugs = 4.

Total number of ladybugs = Number of black ladybugs + Number of white ladybugs

= 6 + 4

= 10.

Equation:

9 + ?? = 10.

=> ?? = 10 – 9

=> ?? = 1.

Question 2.

Answer:

Explanation:

Number of black ladybugs= 7.

Number of white ladybugs= 3.

Total number of ladybugs = Number of black ladybugs + Number of white ladybugs

= 7 + 3

= 10.

Equation:

8 + ?? = 10.

=> ?? = 10 – 8

=> ?? = 2.

Question 3.

Answer:

Explanation:

Number of black ladybugs = 8.

Number of white ladybugs = 2.

Total number of ladybugs = Number of black ladybugs + Number of white ladybugs

= 8 + 2

= 10.

Equation:

7 + ?? = 10.

=> ?? = 10 – 7

=> ?? = 3.

Question 4.

Answer:

Explanation:

Number of black ladybugs = 9.

Number of white ladybugs = 1.

Total number of ladybugs = Number of black ladybugs + Number of white ladybugs

= 9 + 1

= 10.

Equation:

6 + ?? = 10.

=> ?? = 10 – 6

=> ?? = 4.

Question 5.

Answer:

Explanation:

Number of black ladybugs = 6.

Total number of ladybugs = Number of black ladybugs

= 10.

Equation:

5 + ?? = 10.

=> ?? = 10 – 5

=> ?? = 5.

Question 6.

Answer:

Explanation:

Number of black ladybugs = 9.

Number of white ladybugs = 1.

Total number of ladybugs = Number of black ladybugs + Number of white ladybugs

= 9 + 1

= 10.

Equation:

4 + ?? = 10.

=> ?? = 10 – 4

=> ?? = 6.

Question 7.

Answer:

Explanation:

Number of black ladybugs = 8.

Number of white ladybugs = 2.

Total number of ladybugs = Number of black ladybugs + Number of white ladybugs

= 8 + 2

= 10.

Equation:

3 + ?? = 10.

=> ?? = 10 – 3

=> ?? = 7.

Question 8.

Answer:

Explanation:

Number of black ladybugs = 7.

Number of white ladybugs = 3.

Total number of ladybugs = Number of black ladybugs + Number of white ladybugs

= 7 + 3

= 10.

Equation:

2 + ?? = 10.

=> ?? = 10 – 2

=> ?? = 8.

Question 9.

Answer:

Explanation:

Number of black ladybugs = 6.

Number of white ladybugs = 4.

Total number of ladybugs = Number of black ladybugs + Number of white ladybugs

= 6 + 4

= 10.

Equation:

1 + ?? = 10.

=> ?? = 10 – 1

=> ?? = 9.

**Look at this number rack. It has one row of 10 beads. How many beads are under the cover?**

Question 10.

Answer:

Explanation:

Total number of beads = 10.

Number of beads are seen = 5.

Number of beads are covered = Total number of beads – Number of beads are seen

= 10 – 5

= 5.

Question 11.

Answer:

Explanation:

Total number of beads = 10.

Number of black beads = 5.

Number of white beads = 1.

Number of beads are covered = Total number of beads – (Number of black beads + Number of white beads)

= 10 – (5 + 1)

= 10 – 6

= 4.

Question 12.

Answer:

Explanation:

Total number of beads = 10.

Number of black beads = 5.

Number of white beads = 3.

Number of beads are covered = Total number of beads – (Number of black beads + Number of white beads)

= 10 – (5 + 3)

= 10 – 8

= 2..

Question 13.

Answer:

Explanation:

Total number of beads = 10.

Number of beads are seen = 2.

Number of beads are covered = Total number of beads – Number of beads are seen

= 10 – 2

= 8.

Question 14.

Answer:

Explanation:

Total number of beads = 10.

Number of black beads = 5.

Number of white beads = 2.

Number of beads are covered = Total number of beads – (Number of black beads + Number of white beads)

= 10 – (5 + 2)

= 10 – 7

= 3.

Question 15.

Answer:

Explanation:

Total number of beads = 10.

Number of beads are seen = 4.

Number of beads are covered = Total number of beads – Number of beads are seen

= 10 – 4

= 6.

Question 16.

Answer:

Explanation:

Total number of beads = 10.

Number of beads are seen = 1.

Number of beads are covered = Total number of beads – Number of beads are seen

= 10 – 1

= 9.

Question 17.

Answer:

Explanation:

Total number of beads = 10.

Number of beads are seen = 3.

Number of beads are covered = Total number of beads – Number of beads are seen

= 10 – 3

= 7.

Question 18.

Answer:

Explanation:

Total number of beads = 10.

Number of black beads = 5.

Number of white beads = 4.

Number of beads are covered = Total number of beads – (Number of black beads + Number of white beads)

= 10 – (5 + 4)

= 10 – 9

= 1.

Question 19.

Answer:

Explanation:

Number of black beads = 5.

Number of white beads = 5.

Total number of beads = Number of black beads – Number of white beads

= 5 + 5

= 10.

**Bridges in Mathematics Grade 1 Home Connections Unit 1 Module 2 Session 5 Answer Key**

**Changes, Changes**

Fill in the missing number.

Question 1.

Answer:

Number of dots I added = 3.

Explanation:

Number of dots I started with = 5.

Number of dots I finished with = 8.

Number of dots I added = Number of dots I finished with – Number of dots I started with

= 8 – 5

= 3.

Question 2.

Answer:

Number of dots I added = 6.

Explanation:

Number of dots I started with = 2.

Number of dots I finished with = 8.

Number of dots I added = Number of dots I finished with – Number of dots I started with

= 8 – 2

= 6.

Question 3.

Answer:

Number of dots I take awayÂ = 4.

Explanation:

Number of dots I started with = 9.

Number of dots I finished with = 5.

Number of dots I take away = Number of dots I started with – Number of dots I finished with

= 9 – 5

= 4.

Question 4.

Answer:

Number of dots I added = 5.

Explanation:

Number of dots I started with = 4.

Number of dots I finished with = 9.

Number of dots I added = Number of dots I finished with – Number of dots I started with

= 9 – 4

= 5.

Question 5.

Answer:

Number of dots I added = 5.

Explanation:

Number of dots I started with = 2.

Number of dots I finished with = 7.

Number of dots I added = Number of dots I finished with – Number of dots I started with

= 7 – 2

= 5.

Question 6.

Answer:

Number of dots I take away = 5.

Explanation:

Number of dots I started with = 8.

Number of dots I finished with = 3.

Number of dots I take away = Number of dots I started with – Number of dots I finished with

= 8 – 3

= 5.

Question 7.

Answer:

Number of dots I have now = 7.

Explanation:

Number of dots I started with = 3.

Number of dots I finished more = 4.

Number of dots I have now = Number of dots I started with + Number of dots I finished more

= 3 + 4

= 7.

Question 8.

Answer:

Number of dots I finished with = 5.

Explanation:

Number of dots I started with = ??.

Number of dots I finished with = 8.

Number of dots I added = 3.

Number of dots I finished with = Number of dots I added + Number of dots I started with

=> 8 = 3 + ??

=> 8 – 3 = ??

=> 5 = ??