Mathematics
Grade 6
15 min
Writing addition sentences - sums to 10
Writing addition sentences - sums to 10
Tutorial Preview
1
Introduction & Learning Objectives
Learning Objectives
Define key terms such as 'addend' and 'sum' in the context of addition sentences.
Identify the individual parts (addends) and the total (sum) within a given scenario.
Construct an addition sentence (equation) from a word problem or visual representation, ensuring the sum does not exceed 10.
Apply the commutative property of addition to write equivalent addition sentences for sums to 10.
Accurately represent real-world situations using addition sentences with sums up to 10.
Verify the correctness of an addition sentence by calculating the sum and comparing it to the stated total.
Ever wondered how we describe combining things using numbers? 🤔 Today, we'll revisit the fundamental way we write down simple addition problems!
In this...
2
Key Concepts & Vocabulary
TermDefinitionExample
AddendA number that is added to another number. In an addition sentence, these are the numbers being combined.In the sentence 3 + 5 = 8, both 3 and 5 are addends.
SumThe total amount resulting from the addition of two or more numbers. It is the answer to an addition problem.In the sentence 3 + 5 = 8, the number 8 is the sum.
Addition SentenceA mathematical equation that shows two or more numbers being added together to find a sum. It typically uses the '+' sign and the '=' sign.An addition sentence for '2 apples plus 3 apples equals 5 apples' is 2 + 3 = 5.
Equals Sign (=)A symbol used in mathematics to indicate that two expressions have the same value. It means 'is the same as'.In 4 + 6 = 10, the '=' sign shows that &...
3
Core Formulas
Structure of an Addition Sentence
\text{Addend}_1 + \text{Addend}_2 = \text{Sum}
This is the fundamental structure for writing any addition sentence. Identify the parts you are combining (addends) and their total (sum).
Commutative Property of Addition
a + b = b + a
This rule states that the order in which you add two numbers does not affect the sum. For example, 2 + 8 will always equal 8 + 2.
Identity Property of Addition
a + 0 = a
This rule states that adding zero to any number results in that same number. Zero is the additive identity.
5 more steps in this tutorial
Sign up free to access the complete tutorial with worked examples and practice.
Sign Up Free to ContinueSample Practice Questions
Challenging
A number bond has a 'whole' of 9. One 'part' is represented by the variable 'y'. The other part is 4. Which addition sentence correctly models this relationship using the given variable?
A.y + 4 = 9
B.9 + 4 = y
C.y + 9 = 4
D.4 - y = 9
Challenging
A teacher puts 3 red blocks and 6 blue blocks in a bag, showing the class that 3 + 6 = 9. Then, she takes them out and puts the 6 blue blocks in first, followed by the 3 red blocks, showing that 6 + 3 = 9. Which key concept is she demonstrating?
A.The Identity Property of Addition
B.The Commutative Property of Addition
C.The concept of a Number Bond
D.The process of verifying a sum
Challenging
A number bond shows a whole of 10 and one part of 2. A student must write an addition sentence for this. Why is '10 - 2 = 8' an insufficient answer, even though it finds the missing part?
A.The answer should be written as 8 + 2 = 10 to show the Commutative Property.
B.The calculation is incorrect because 10 - 2 is not 8.
C.The number 10 is the sum and cannot be the first number in the sentence.
D.The question requires an addition sentence showing parts making a whole, and '10 - 2 = 8' is a subtraction sentence.
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing Free