All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 2 Lesson 4 Repeated Addition will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 2 Lesson 4 Repeated Addition
Explore and Explain
Teacher Directions: Place 13 counters in a cup. Empty the cup onto the page. Place red counters in the top ten-frame. Place yellow counters in the bottom ten-frame. Write the addition sentence. Move yellow counters into the top ten-frame to make ten. Write the new addition sentence.
Explanation:
See and Show
When groups are equal, you can use repeated addition to find the total.
Helpful Hint
You can skip count to find sums like this.
Use connecting cubes to model equal groups. Add.
Question 1.
____ + ___ = _____
Answer:
5 + 5 = 10
Explanation:
5 cubes in two rows
5 + 5 = 10
Question 2.
____ + ____ + ____ = ____
Answer:
2 + 2 + 2 = 6
Explanation:
3 rows of 2 cubes each
3 x 2 = 6 cubes in all
Talk Math
Create a story for 2 + 2 + 2 + 2 + 2.
On My Own
Add.
Question 4.
Answer:
Explanation:
There are 3 groups of books
In each group there are 5 books
3 x 5 = 15
Question 5.
Answer:
Explanation:
There are 5 groups of chalks
In each group there are 3
5 x 3 = 15 chalks
Question 6.
Answer:
Explanation:
There are 4 group of dusters
In each group there are 2 dusters
4 x 2 = 8
8 dusters in all.
Question 7.
Draw your own example. Then add.
4 + 4 + 4 + 4 = ______
Answer:
Explanation:
2 red counters in each group
2 x 4 = 8
8 counters in all.
Problem Solving
Use repeated addition to solve.
Question 8.
Mike has five pairs of socks. Each pair has two socks. How many socks does Mike have?
_______ socks
Answer:
10 socks
Explanation:
Mike has five pairs of socks.
Each pair has two socks.
5 x 2 = 10
10 socks that Mike have.
Question 9.
Brad makes four groups of animal cards. Each group has three cards. How many cards does he make?
_______ cards
Answer:
12 cards
Explanation:
Brad makes four groups of animal cards.
Each group has three cards.
4 x 3 = 12
12 cards that he make.
Question 10.
There are four balloons in each bunch. Marcy has four bunches. How many balloons are there in all?
Answer:
16 balloons
Explanation:
There are four balloons in each bunch.
Marcy has four bunches.
4 x 4 = 16
16 balloons are there in all.
HOT Problem Jaya writes a repeated number sentence It has three numbers. The sum is 15. What is the number sentence? Explain.
McGraw Hill My Math Grade 2 Chapter 2 Lesson 4 My Homework Answer Key
Practice
Add.
Question 1.
Answer:
Explanation:
There are 4 groups of frogs
In each group there are 4 frogs
4 x 4 = 16
total 16 frogs in all.
Question 2.
Answer:
Explanation:
There are 3 groups of bees
In each group there are 10
3 x 10 = 30
Add.
Question 3.
Answer:
Explanation:
There are 2 groups of lady bugs
In each group there are 4
2 x 4 = 8
Use repeated addition to solve.
Question 4.
Marco has 4 fish tanks. Each tank has 10 fish. How many fish does Marco have in all?
_______ fish
Answer:
40 fish
Explanation:
Marco has 4 fish tanks.
Each tank has 10 fish.
4 x 10 = 40
40 fish that Marco have in all.
Question 5.
Mandy has 4 boxes of raisins. Each box has 5 raisins. How many raisins does Mandy have?
____ raisins
Answer:
20 raisins
Explanation:
Mandy has 4 boxes of raisins.
Each box has 5 raisins.
4 x 5 = 20
20 raisins that Mandy have.
Vocabulary Check
Question 6.
Circle the repeated addition sentence.
5, 10, 15, 20
9 + 3 + 9
3 + 3 + 3
Answer:
Explanation:
The addends are same in the 3 + 3 + 3 = 9
This addition sentence.
Math at Home Have your child put beans or pennies in 5 equal groups of 6 to show repeated addition. Ask them t0 write a number sentence and solve.