# Into Math Grade 1 Module 3 Lesson 5 Answer Key Add 3 Numbers to Solve Problems

We included HMH Into Math Grade 1 Answer Key PDF Module 3 Lesson 5 Add 3 Numbers to Solve Problems to make students experts in learning maths.

## HMH Into Math Grade 1 Module 3 Lesson 5 Answer Key Add 3 Numbers to Solve Problems

I Can find the sum of three numbers to solve word problems.

Step It Out
1. A plant has 5 leaves at the top, 2 leaves in the middle, and I leaf at the bottom. How many leaves does the plant have? A. Use objects to show the problem.
THINK: I can connect cubes to show each addend.
B. Group the two addends you will add first. Draw to show what you did.  C. Write to solve the problem.
__ + ___ +__________=
The plant has ___ leaves.

Explanation:
A plant has 5 leaves at the top, 2 leaves in the middle, and I leaf at the bottom
5 + 2 + 1 =
5 + 2 = 7
7 + 1 = 8
So, 5 + 2 + 1 = 8
Therefore, the plants have 8 leaves.

Step It Out

2. Joe has 2 cats. Dawn has 2 cats. Sandy has 6 cats. How many cats do they have altogether? A. Here is one way. THINK: Add doubles.  Explanation:
Joe has 2 cats. Dawn has 2 cats. Sandy has 6 cats
2 + 2 = 4
4 + 6 = 10
So, 2 + 2 + 6 = 10

B. Here is another way. ThINK: Count on 2.  Explanation:
Joe has 2 cats. Dawn has 2 cats. Sandy has 6 cats
Add 2 + 6 = 8
2 + 8 = 10
So, 2 + 2 + 6 = 10

C. Joe, Dawn and Sandy have ___ cats.

Explanation:
2 + 2+ 6 = 10
Therefore, Joe, Dawn and Sandy have 10 cats.

Check Understanding Math Board

Solve. Draw to show your work.

Question 1.
There is 1 deer, 3 rabbits, and 7 birds at the pond. How many animals are at the pond?
____ animals Explanation:
There is 1 deer, 3 rabbits, and 7 birds at the pond
1 + 3 + 7 =
1 + 3 + 7 =
4 + 7 = 11
1 + 3 + 7 = 11
So, there are 11 animals at the pond.

Solve. Draw or write to show your thinking.

Question 2.
Reason Bashir sees 2 striped kites, I red kite, and 3 blue kites in the sky. How many kites does he see? ____ kites Explanation:
Bashir sees 2 striped kites, I red kite, and 3 blue kites in the sky
2 + 1 + 3 =
2 + 1 + 3 =
3 + 3 = 6
2 + 1 + 3 = 6
So, Bashir has 6 kites.

Question 3.
Reason Cole has 5 green marbles, 4 red marbles, and 5 purple marbles. How many marbles does he have?
____ marbles Explanation:
Cole has 5 green marbles, 4 red marbles, and 5 purple marbles
5 + 4 + 5 =
5 + 4 + 5 =
9 + 5 = 14
5 + 4 + 5 = 14
So, Cole have 14 marbles.

Question 4.
Model with Mathematics Paul, Vicki, and Beth each scored 3 goals at soccer practice. How many goals did they score? Complete the equations to solve. ____ goals Explanation:
Paul, Vicki, and Beth each scored 3 goals at soccer practice
3 + 3 + 3 =
6 + 3 = 9
So, 3 + 3 + 3= 9

Solve.

Question 5.
Sam stacks 8 large boxes, 2 medium boxes, and 1 small box. How many boxes does she stack?
___ boxes  Explanation:
Sam stacks 8 large boxes, 2 medium boxes, and 1 small box
8 + 2 + 1 =
10 + 1 = 11
So, 8 + 2 + 1 = 11
Therefore, Sam have 11 boxes.

Question 6.
Tonya has 4 stamps from countries in Asia, 5 stomps from countries in Africa, and 1 stamp from a country in Europe. How many stamps does she have?
_____ stamps Explanation:
Tonya has 4 stamps from countries in Asia, 5 stomps from countries in Africa, and 1 stamp from a country in Europe
4 + 5 + 1 =
9 + 1 = 10
So, 4 + 5 + 1 = 10
Therefore, Tonya have 10 stamps.

Question 7.
Reason Find the unknown addend. Complete the equation.
1 + 3 + = 5
1 + 3 + ___ = 5
1 + 3 + = 5

Explanation:
As we know 1 + 3 = 4
4 + = 5
Subtract 4 from 5
5 – 4 = 1
So, 4 + 1 = 5
Therefore, the unknown number is 1.

Question 8.
Open Ended Write and solve a word problem that adds 3 numbers.
______________________
______________________
___ = ___ + ___ + ___ 