Addition And Subtraction 1
In this article, we will learn about Addition and Subtraction. The learning objectives are:
- Addition without renaming
- Addition with renaming
Topic Recap:
Addition Within 100 Without Renaming
Example:
Jerry went to an arcade. He won 38 tickets from his first game and 21 tickets from his second game. How many tickets did he win altogether from the 2 games?
Solution:
\(38 + 21 = 59\)
Answer:
59 tickets
Question 1:
Add 50 to 25.
- 25
- 26
- 73
- 75
Solution:
\(50 + 25 = 75\)
Answer:
(4) 75
1. Addition Without Renaming
Example:
There are 453 boys and 216 girls in a school. How many boys and girls are there in the school altogether?
Solution:
\(453 + 216 = 669\)
Answer:
669 boys and girls
Question 1:
Add 402 to 256.
- 254
- 608
- 658
- 659
Solution:
\(402 + 256 = 658\)
Answer:
(3) 658
Question 2:
Add 654 to 123.
- 767
- 777
- 778
- 779
Solution:
\(654 + 123 = 777\)
Answer:
(2) 777
Topic Recap:
Addition Within 100 With Renaming
Example:
Kenny collects stamps. He has 67 foreign stamps and 28 local stamps. How many stamps does he have altogether?
Solution:
\(67 + 28 = 95\)
Answer:
95 stamps
Question 2:
Add 39 to 45.
- 73
- 74
- 83
- 84
Solution:
\(39 + 45 = 84\)
Answer:
(4) 84
2. Addition With Renaming
Example:
There are 378 adults and 414 children in the estate. How many people are there in the estate altogether?
Solution:
\(378 + 414 = 792\)
Answer:
792 people
Question 1:
Add 316 to 497.
- 703
- 803
- 813
- 913
Solution:
\(316 + 497 = 813\)
Answer:
(3) 813
Question 2:
The sum of 237 and 508 is __________.
- 733
- 735
- 743
- 745
Solution:
\(237 + 508 = 745\)
Answer:
(4) 745
Question 3:
Use the numbers below to form an addition sentence. You can use numbers more than once.
Solution:
Answer:
\(115 + 65 = 180\)
Question 4:
\(280 + 120 =\) __________ tens
- 30
- 40
- 300
- 400
Solution:
\(280 + 120 = 400\)
\(400 = 40\) tens
Answer:
(2) 40
Question 5:
\(278 + 222 =\) __________ hundreds
- 5
- 40
- 50
- 4
Solution:
\(278 + 222 = 500\)
\(500 = 50\) tens
Answer:
(1) 5
Question 6:
Fill in the blank with the correct answer:
- 46
- 232
- 837
- 847
Solution:
23 tens 2 ones
\(\begin{align} &= 230 + 2 \\[2ex] &= 232 \end{align}\)
6 hundreds 15 ones \(= 615\)
\(232 + 615 = 847\)
Answer:
(4) 847
Question 7:
Fill in the blanks with the correct answer:
- 7
- 70
- 700
- 709
Solution:
39 tens 18 ones
\(\begin{align} &= 390 + 18\\[2ex] &= 408 \end{align}\)
27 tens 31 ones
\(\begin{align} &= 270 + 31\\[2ex] &= 301 \end{align}\)
\(408+301=709\)
Answer:
(4) 709
Question 8:
What is the missing digit in the box?
- 0
- 8
- 9
- 4
Solution:
Answer:
(3) 9
Question 9:
Kate added two of the numbers below and got the answer 108. Which two numbers did she add?
- A and C
- A and B
- B and C
- B and D
Solution:
Let’s calculate the options.
- \(69 + 49 = 118\)
- \(69 + 59 = 128\)
- \(59 + 49 = 108\)
- \(59 + 19 = 78\)
Answer:
(3) B and C
Conclusion
In this article, we have learnt Addition and Subtraction:
- Addition without renaming
- Addition with renaming
Continue Learning | |
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Numbers To 1000 | Multiplication And Division 1 |
Multiplication And Division 2 | Addition And Subtraction 1 |
Addition And Subtraction 2 | Fractions 1 |
Length 1 | Mass 1 |
Volume 1 | Money 1 |
Time 1 | Shapes And Patterns |
Picture Graphs 1 | Model Drawing 1 |
Model Drawing 4 |