# Standard Subtraction Algorithm and Tape Diagrams

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Lesson Plans and Worksheets for Grade 4
Lesson Plans and Worksheets for all Grades

Examples, videos, and solutions to help Grade 4 students use place value understanding to decompose to smaller units up to 3 times using the standard subtraction algorithm, and apply the algorithm to solve word problems using tape diagrams.

Common Core Standards: 4.OA.3, 4.NBT.4, 4.NBT.1, 4.NBT.2

### New York State Common Core Math Module 1, Grade 4, Lesson 14

Common Core Math Grade 4, Module 1, Lesson 14 Worksheets (pdf)

### NYS Math Module 1 Grade 4 Lesson 14 Concept Development

Problem 1: Subtract, decomposing twice.
22,397 – 3,745 = Problem 2
Subtract: 210,290 – 45,720, decomposing three times. Problem 3:
Use the subtraction algorithm to solve a word problem, modeled with a tape diagram, decomposing units 3 times.
Bryce needed to purchase a large order of computer supplies for his company. He was allowed to spend \$859,239 on computers. However, he ended up only spending \$272,650. How much money did Bryce have left?

### NYS Math Module 1 Grade 4 Lesson 14 Problem Set

1. Directions: Use the standard algorithm to solve the following subtraction problems.
a. 101,660 - 91,680 =
e. 1,000,000 - 592,000 = Directions: Draw a tape diagram to represent each problem. Use numbers to solve and write your answer as a statement. Check your answers.
2. There are 86,400 seconds in one day. If Mr. Liegel is at work for 28,800 seconds a day, how many seconds a day is he away from work? 4. A theater holds a total of 2,013 chairs. 197 chairs are in the VIP section. How many chairs are not in the VIP section?

### NYS Math Grade 4, Module 1, Lesson 14 Homework

1 . Use the standard algorithm to solve the following subtraction problems. Directions: Draw a tape diagram to represent each problem. Use numbers to solve and write your answer as a statement.
2. Jason ordered 239,021 pounds of flour to be used in his 25 bakeries. The company delivering the flour showed up with 451,202 pounds. How many extra pounds of flour were delivered?
3. In May, the New York Public Library had 124,061 books checked out. Of those books, 31,117 were mystery books. How many of checked out books were not mystery books?
4. A Class A dump truck can haul 239,000 pounds of dirt. A Class C dump truck can haul 600,200 pounds of dirt. How many more pounds can a Class C truck haul than a Class A truck?

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