All Common Core: 7th Grade Math Resources
Example Questions
Example Question #21 : Add And Subtract Rational Numbers: Ccss.Math.Content.7.Ns.A.1d
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start at on the number line.
Next, we have which means we need to move places to the left on the number line. When we have an addition sign we move to the right because that is towards the positive side of the number line. When we have a subtraction sign we move to the left because that is towards the negative side of the number line.
The orange arrow moved places to the left, and ended at ; thus,
Example Question #22 : Add And Subtract Rational Numbers: Ccss.Math.Content.7.Ns.A.1d
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start at on the number line.
Next, we have which means we need to move places to the left on the number line. When we have an addition sign we move to the right because that is towards the positive side of the number line. When we have a subtraction sign we move to the left because that is towards the negative side of the number line.
The orange arrow moved places to the left, and ended at ; thus,
Example Question #1 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a
When two negative values are multiplied, the answer becomes positive. Then, we multiply normally. We should get or .
Example Question #2 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a
When multiplying with negative numbers, we count the number of negative numbers. We have two so that means the answer is positive. So the product is .
Example Question #3 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a
When a positive number and a negative number is multiplied, the answer is negative. Just multiply normally. Answer is .
Example Question #4 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a
When two negative numbers are multiplied, the answer is positive. Multiply normaly. Answer is .
Example Question #5 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a
When multiplying a negative number and a positive number, our answer is negative.
Multiply normally.
Answer is .
Example Question #6 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a
When multiplying two negative numbers, our answer is positive.
Multiply normally. First multiply two by eight. Then multiply four and one.
Next, place a zero in the ones digit spot and multiply one by two followed by multiplying one by one.
From here, add the two products together.
Answer is .
Example Question #281 : Operations
Solve:
When multiplying a negative number and a positive number, our answer is negative. Multiply normally. Answer is .
Example Question #282 : Operations
Solve:
When multiplying two negative numbers, the answer is positive. Then multiply normally. Answer is .