We included HMH Into Math Grade 1 Answer Key PDF Module 7 Lesson 7 Solve Addition and Subtraction Situations to make students experts in learning maths.
HMH Into Math Grade 1 Module 7 Lesson 7 Answer Key Solve Addition and Subtraction Situations
I Can write equations to model word problems.
Step It Out
1. Ben has 12 oranges. He eats some and makes juice with some. How many did Ben eat and how many did he use for juice?
___ oranges to eat ___ oranges for juice.
Answer:
Explanation:
Ben has 12 oranges
He eats some and makes juice with some
He ate 10 oranges
He made juice with 2 oranges
So, 12 = 10 + 2
Therefore, 10 oranges to eat and 2 oranges for juice.
2. Terri has 11 cards. He gives some to his brother. Now he has 7 cards left. How many cards did
Terri give to his brother?
___ cards
Answer:
Explanation:
Terri has 11 cards
He gives some to his brother
Now he has 7 cards left
11 – 7 = 4
So, Terri gives 4 cards to his brother.
Step It Out
3. There are some ants on a picnic table. 4 more ants crawl onto the table. Now there are 9 ants. How many ants were on the picnic table at first?
__ ants
Answer:
Explanation:
There are some ants on a picnic table
4 more ants crawl onto the table
Now there are 9 ants
9 – 4 = 5
So, there were 5 ants on the picnic table first.
4. Michel has 8 flowers. Vicki has 11 flowers. How many fewer flowers does Michel have than Vicki?
____ fewer flowers
Answer:
Explanation:
Michel has 8 flowers
Vicki has 11 flowers
11 – 8 = 3
So, Michel has 3 flowers fewer than Vicki.
Turn and Talk How can tools help you solve?
Step It Out
5. Sasha has 12 paper dips. Thomas has 7 fewer paper clips than Sasha. How many paper clips does Thomas have?
_____ paper clips
Answer:
Explanation:
Sasha has 12 paper dips
Thomas has 7 fewer paper clips than Sasha
12 – 7 = 5
So, Thomas has 5 paper clips.
Check Understanding Math Board
Question 1.
14 peppers are in a bowl. 8 are red and the rest are green. How many peppers are green? Draw one way to solve. Write an equation.
____ green peppers Equation: _______
Answer:
Explanation:
14 peppers are in a bowl
8 are red and the rest are green
14 – 8 = 6
So, There are 6 green peppers.
The addition equation that match with the problem is 8 + 6 = 14.
On Your Own
Show how to solve the problem. Write an equation and the answer.
Question 2.
Daryl has 5 picture books. Daryl has 6 fewer picture books than Avery. How many picture books does Avery have?
____ picture books Equation: ___
Answer:
11 picture books
Explanation:
Daryl has 5 picture books
Daryl has 6 fewer picture books than Avery
The addition equation that match with the problem is
5 + 6 = 11
So, Avery has 11 picture books.
Question 3.
There are 17 toy dinosaurs. There are 9 more dinosaurs than toy tigers. How many toy tigers are there? Draw one way to solve. Write an equation.
___ toy tigers Equation: ___
Answer:
8 toy tigers
Explanation:
There are 17 toy dinosaurs
There are 9 more dinosaurs than toy tigers
17 – 9 = 8
So, There are 8 toy tigers.
On Your Own
Show how to solve the problem. Write an equation and the answer.
Question 4.
Unis has 11 stickers. Tamir has 7 stickers. How many more stickers does Unis have than Tamir?
___ more stickers Equation: ___
Answer:
4 more stickers
Explanation:
Unis has 11 stickers
Tamir has 7 stickers
11 – 7 = 3
So, There are 3 more stickers with Unis than Tamir.
Question 5.
Tony has 14 shirts. Some of his shirts are in the basket and the rest are in the closet. He has 6 in his closet. How many shirts are in the basket?
____ shirts in the basket Equation: _____
Answer:
8 shirts in the basket
Explanation:
Tony has 14 shirts
Some of his shirts are in the basket and the rest are in the closet
He has 6 in his closet
14 – 6 = 8
the addition equation that match with the problem is 8 + 6 = 14
So, there are 8 shirts in the basket.
On Your Own
Show how to solve the problem. Write an equation and the answer.
Question 6.
Model with Mathematics Ernesto has 8 color pencils. Maya has 3 more color pencils than Ernesto. How many color pencils does Maya have?
___ color pencils
Equation: ____
Answer:
11 color pencils
8 + 3 = 11
Explanation:
Ernesto has 8 color pencils
Maya has 3 more color pencils than Ernesto
The addition equation that solves the problem is
8 + 3 = 11
So, Maya has 11 color pencils.
Question 7.
There were some counters on the desk. After Lane takes 10 counters there are 10 counters left on the desk. How many counters were on the desk to start?
____ counters to start Equation: ____
Answer:
20 counters to start
10 + 10 = 20
Explanation:
There were some counters on the desk
After Lane takes 10 counters there are 10 counters left on the desk
The addition equation that solves the problem is
10 + 10 = 20
So, there were 20 counters on the desk to start.