Common Core: 1.OA.D.7
Problem 20 of 27g1-020
Which number sentence is true?
Try it first
The walkthrough opens once you check an answer.
Solution walkthrough0:51
- Every sentence starts with 5 + 2. Count the stars: 1, 2, 3, 4, 5, 6, 7.
- Now try 4 + 3. Count the stars: 1, 2, 3, 4, 5, 6, 7.
- The stars match up. 7 and 7 are the same, so 5 + 2 = 4 + 3 is true!
- Equals means both sides are the same amount. It does not mean the answer comes next. Great job!