Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 18 Practice 1 Adding the Same Number to finish your assignments.
Math in Focus Grade 1 Chapter 18 Practice 1 Answer Key Adding the Same Number
Count the number of groups. Then count the number of bugs in each group. Write the numbers in the blanks.
Example
Question 1.
Answer: 10
Explanation:
Count the number of groups.
Then count the number of bugs in each group.
Add 2+2+2+2+2 = 10
Similarly, multiplying 5 x 2 = 10
Count the number of groups. Then count the number of bugs in each group. Write the numbers in the blanks.
Question 2.
Answer: 20
Explanation:
Count the number of groups.
Then count the number of dragon flies in each group.
Add 5+5+5+5 = 20
Similarly, multiplying 4 x 5 = 20
Question 3.
Answer: 12
Explanation:
Count the number of groups.
Then count the number of bugs in each group.
Add 4 + 4+ 4 = 12
Similarly, multiplying 4 x 3 = 12
Question 4.
Answer: 16
Explanation:
Count the number of groups.
Then count the number of caterpillars in each group.
Add 8 + 8 = 16
Similarly, multiplying 8 x 2 = 16
Look at the pictures. Then fill in the blanks.
Question 5.
_________ + _________ + _________ + _________ + _________ + _________
= _________
_________ twos = _________
There are _________ snails in all.
Answer: 12
Explanation:
There are 12 snails in all.
Question 6.
_________ + _________ + _________ + _________ = _________
_________ fours = _________
There are _________ shrimps in all.
Answer: 16
There are 16 shrimps in all.
Explanation:
Count the number of groups.
Add 4+4+4+4 = 16
Then count the number of shrimps in each group.
4 x 4 = 16
Look at the picture. Then fill in the blanks.
Example
Question 7.
There are __________ crabs
4 ____________ = ____________
Answer: 8
there are 8 crabs
Explanation:
Count the number of groups.
Add 4+4 = 8
Then count the number of crabs in each group.
2 x 4 = 8
Question 8.
There are __________ seahorses
5 ____________ = ____________
Answer: 25
Explanation:
There are 5 groups of seahorses.
Each group has 5 seahorses.
Look at the picture. Then fill in the blanks.
Question 9.
A starfish has _________ arms.
6 five = ___________
6 starfishes have ___________ arms.
Answer: 30
Explanation:
There are 6 star fishes,
each fish has 5 arms.
Question 10.
Each dress has 5 buttons.
3 ___________ = ____________
3 dresses have ____________ buttons
Answer: 15
Explanation:
There are 3 dresses, each dress has 5 buttons
Question 11.
One flower has ___________ petals
6 ___________ = ___________
6 flowers have ___________ petals.
Answer: 36
Explanation:
There are 6 flowers.
Each flower has 6 petals.
Look at the picture. Then fill in the blanks.
Question 12.
Each plant has ___________ leaves.
5___________ = ___________
5 plants have ___________ leaves.
Answer: 20
Explanation:
There are 5 pants.
Each plant has 4 leaves
Question 13.
An octopus has ___________ arms.
4 ___________ = ___________
4 octopuses have ___________ arms.
Answer: 32
Explanation:
There are 5 octopus in all.
Each octopus has 8 legs.
Total legs 32.
