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

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

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

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

More Domino Magic Squares

How many dots?
Add the dots on the dominoes going down each column and then going across each row. Then add the sums both ways, vertically and horizontally. Do you get the same total both times? Is it magic, or is there a mathematical explanation?
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Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 1

Question 1.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 2
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-More Domino Magic Squares-1

Explanation:
Given dots:
2 + 5 = 7.
3 + 4 = 7.
=> 7 + 7 = 14.
2 + 3 = 5.
5 + 4 = 9.
=> 5 + 9 = 14.

Question 2.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 3
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-More Domino Magic Squares-2

Explanation:
Given dots:
0 + 5 = 5.
3 + 3 = 6.
=> 5 + 6 = 11.
0 + 3 = 3.
5 + 3 = 8.
=> 3 + 8 = 11.

Question 3.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 4
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-More Domino Magic Squares-3

Explanation:
Given dots:
4 + 4 = 8.
2 + 0 = 2.
=> 8 + 2 = 10.
4 + 2 = 6.
4 + 0 = 4.
=> 6 + 4 = 10.

Question 4.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 5
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-More Domino Magic Squares-4

Explanation:
Given dots:
3 + 5 = 8.
2 + 3 = 5.
=> 8 + 5 = 13.
3 + 2 = 5.
5 + 3 = 8.
=> 5 + 8 = 13.

Question 5.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 6
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-More Domino Magic Squares-5

Explanation:
Given dots:
2 + 6 = 8.
6 + 2 = 8.
=> 8 + 8 = 16.
2 + 6 = 8.
6 + 2 = 8.
=> 8 + 8 = 16.

Question 6.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 7
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-More Domino Magic Squares-6

Explanation:
Given dots:
5 + 1 = 6.
2 + 4 = 6.
=> 6 + 6 = 12.
5 + 2 = 7.
1 + 4 = 5.
=> 7 + 5 = 12.

Challenge Problems

Question 7.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 8
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-More Domino Magic Squares-Challenge Problems-7

Explanation:
Given dots:
5 + 2 = 7.
1 + 3 = 4.
3 + 4 + 2 = 7 + 2 = 9.
=> 7 + 4 + 9 = 11 + 9 = 20.
5 + 1 + 3 = 6 + 3 = 9.
0 + 4 = 4.
2 + 3 + 2 = 5 + 2 = 7.
=> 9 + 4 + 7 = 13 + 7 = 20.

Question 8.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 9
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-More Domino Magic Squares-Challenge Problems-8

Explanation:
Given dots:
2 + 2 + 2 = 4 + 2 = 6.
3 + 4 = 7.
4 + 5 + 1 = 9 + 1 = 10.
=> 6 + 7 + 10 = 13 + 10 = 23.
2 + 3 + 4 = 5 + 4 = 9.
2 + 7 = 9.
2 + 4 + 1 = 6 + 1 = 7.
=> 9 + 9 + 7 = 18 + 7 = 23.

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

Question 1.
Trace each number.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 10
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Session 5 Answer Key-1

Explanation:
Number given for tracing:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

Question 2.
Fill in the missing numbers.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 11
Answer:

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

Explanation:
Missing number pattern:
1 more than each number.
=> 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.
11, 12, 13, 14, 15, 16, 17, 18, 19, 20.
21, 22, 23, 24, 25, 26, 27, 28, 29, 30.
31, 32, 33, 34, 35, 36, 37, 38, 39, 40.

Numbers & Domino Dots

Solve the problems about dominoes below.

Question 3.
Sam has a domino with 4 dots on it. Draw the dots on this domino to show how Sam’s domino looks.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 12
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Session 5 Answer Key-3

Explanation:
Number of dots Sam has a domino = 4.

Question 4.
Maria’s domino has 1 less dot than Tim’s. Draw the dots on Tim’s domino to show how it looks.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 13
How many dots? ______
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 14
How many dots? ______
Answer:
Number of dominos Tim’s has = 6.
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Session 5 Answer Key-4

Explanation:
Number of dominos Maria’s has = 7.
Maria’s domino has 1 less dot than Tim’s.
=> Number of dominos Tim’s has = Number of dominos Maria’s has – 1
=> 7 – 1
=> 6.

Question 5.
Jeff’s domino has 6 dots. Draw dots on the dominoes below to show three different dominoes that Jeff might have.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 15
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Session 5 Answer Key-5

Explanation:
Number of dots Jeff’s domino has = 6.
Three different dominoes that Jeff might have:
1 + 5 = 6.
2 + 4 = 6.
3 + 3 = 6.

Question 6.
CHALLENGE Tom has a domino with some dots. Kim’s domino has 2 more dots than Tom’s. Draw dots on these two dominoes to show how Tom’s and Kim’s dominoes look.
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 16
How many dots? ________
Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Answer Key 17
How many dots? ________
Answer:
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Session 5 Answer Key-6
Bridges-in-Mathematics-Grade-1-Home-Connections-Answer-Key-Unit-2-Module-2-Bridges in Mathematics Grade 1 Home Connections Unit 2 Module 2 Session 5 Answer Key-6

Explanation:
Tom has a domino with some dots.
=> 2 + 2 = 4.
Kim’s domino has 2 more dots than Tom’s.
=> Number of dots Kim’s domino has = Number of dots Tom’s domino has + 2
=> 4 + 2
= 6.

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