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318 +170. 3498 + 1753. Teaching Concept #1. Addition Review. 754 - 319. 5409 - 1535. Teaching Concept #2. Subtraction Review. Teaching Concept #1/2. Review.
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318 +170 3498 + 1753 Teaching Concept #1 Addition Review
754 - 319 5409 - 1535 Teaching Concept #2 Subtraction Review
Teaching Concept #1/2 Review
A group of 128 third graders and 137 fourth graders went to the zoo. What is the TOTAL number of third and fourth graders who went to the zoo? Application #1 Applying
Concrete Example #1 Example • The base ten blocks below show the number of seats in a theater. • The theater is adding more seats. The base ten blocks below show the number of seats that are being added. • What will be the TOTAL number of seats in the theater after the seats are added?
Step-by-Step #1 Problem #1 A new canoe usually costs $138.99. This week, it is on sale for $120.00. How much money is saved by buying the canoe at sale price instead of the usual price?
Step-by-Step #2 Problem #2 On Friday, 541 books were checked out of the library. On Saturday, 729 books were checked out of the library. What is the TOTAL number of books checked out of the library during the two days?