The solutions to Bridges in Mathematics Grade 3 Home Connections Answer Key Unit 1 Module 1 can help students to clear their doubts quickly.
Bridges in Mathematics Grade 3 Home Connections Answer Key Unit 1 Module 1
Bridges in Mathematics Grade 3 Home Connections Unit 1 Module 1 Session 4 Answer Key
Addition Fact Review
Note to Families
As a classroom teacher, I appreciate the ways in which families contribute to their children’s success in school. When you take the time to review your child’s schoolwork, talk about your child’s day, and practice concepts and skills, you play an important role in your child’s education.
In math class, we have been reviewing patterns in basic addition facts. We have reviewed helpful strategies and identified facts we already know. This assignment is intended to be a review and will give students an opportunity to share strategies with you that will later be used with larger numbers.
Question 1.
Complete these Doubles and Make Ten facts.
Answer:
Review with your children that a doubles fact is a number sentence that repeats the same addend.
Question 2.
Complete these Doubles Plus or Minus One facts.
Answer:
Question 3.
6 + 1 and 7 + 2 are examples of Count On facts. Write three more Count On facts.
Answer:
Then, starting with the larger number, the student counts forward by the number of the second addend or number.
8 + 3, 9 + 4, 10 + 5
Question 4.
Kallie thinks that every Doubles problem will have an even sum. Do you agree or disagree? Explain why.
Answer: Disagree, because the odd double is he odd number, it is not the even sum.
Question 5.
The sum of two numbers is 12. List three possible equations.
a. ____ + ____ = 12
Answer:
6 + 6 = 12
b. ___ + ___ = 12
Answer:
7 + 5 = 12
c. ___ + ___ = 12
Answer:
8 + 4 = 12
Question 6.
Write an equation that could represent this picture.
Answer:
The three possible equations are,
4 + 7 = 11
4 + 5 + 2 = 11
8 + 3 = 11
Question 7.
Emma says that she can prove that 8 + 3 = 7 + 4. How could she use a number rack to prove her thinking? Draw a number rack or explain in writing.
Answer:
8 + 3 = 11
7 + 4 = 11
Question 8.
CHALLENGE Solve the problem in the easiest way you can. Show your work. (Hint: Change the order in which you add the numbers.)
60 + 50 + 40 + 70 + 30 =
Answer:
60 + 50 + 40 + 70 + 30
70 + 30 + 60 + 40 + 50 =250
Question 9.
CHALLENGE Sage wants to buy board games for some of her friends. Board games cost $9 each. She has $6 and one coupon for $3 off. Her Aunt Barbara gave her $7 and another coupon for $3 off.
a. How many games can Sage buy if she uses the coupons? Show your work.
Answer:
Given,
Sage wants to buy board games for some of her friends. Board games cost $9 each.
She has $6 and one coupon for $3 off. Her Aunt Barbara gave her $7 and another coupon for $3 off.
6 + 7 = $13 (total money)
9 – 3 = $6 (cost per game)
6 × 2 = $12 (cost for 2 games)
b. Will Sage have any money left over? If so, how much? Show your work.
Answer:
$13 – $12 = $1
She will have $1 left over.