Addition to 100,000 with simple numbers
Lesson
Grade 4
General
Students learn to add to 100,000 with simple numbers.
Standards
CCSS.Math.Content.4.NBT.B.4
Learning objective
Students will be able to add to 100,000 with simple numbers.
Introduction
Have the students determine which number belongs with which fruit by solving the math problems.
Instruction
Show the sum 72,300 + 21,000. Explain that you start by adding up the ten thousands numbers. 70,000 + 20,000 = 90,000. Then you add the thousands numbers together. 2,000 + 1,000 = 3,000. Next the hundreds numbers. Now add all the answers together. 90,0000 + 3,000 + 300 = 93,300. Have the students solve the next few problems on their own. Show the story problem. Explain that you first take the problem out of the story. Then you add the ten thousands numbers together.
Check whether the students can add to 100,000 with simple numbers with the following question:
- How can you add to 100,000 in steps with simple numbers?
Check whether the students can add to 100,000 with simple numbers with the following question:
- How can you add to 100,000 in steps with simple numbers?
Quiz
The students first practice two assignments involving addition to 100,000. The third assignment is a story problem.
Closing
Discuss with the students the importance of being able to add to 100,000 with simple numbers. As a closing activity you can have the students choose a number, spin the spinner and solve the math problem.
Teaching tips
Students that have difficulty with addition to 100,000 with simple numbers can first practice adding numbers to 1,000 and 10,000.