Lesson 4

Floor Tiler

Est. Class Sessions: 1
X

Mathematical Standards

4.NBT.B
Use place value understanding and properties of operations to perform multi-digit arithmetic. (4.NBT.B.5, 4.NBT.B.6)
4.OA.B
Gain familiarity with factors and multiples. (4.OA.B.4)

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in solving them.
MP2.
Reason abstractly and quantitatively.

Students play a game that provides practice with the multiplication facts. Each player spins two numbers and uses the product of the numbers to color in rectangles on grid paper. Players take turns spinning and filling in rectangles until someone fills in the grid completely.

Content in this Lesson

  • Representing and solving multiplication problems using rectangular arrays [E1].
  • Finding factors of numbers [E3].
  • Practicing multiplication facts.
  • Writing multiplication number sentences for multiplication facts.

Daily Practice and Problems M–N

M. Change

N. Books, Books, Books

X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

Student Guide
Student Activity Book

Teacher Resources

Teacher Guide - digital

Supplies for Student Pairs

clear plastic spinner or pencil with paper clip

Materials for Students

Small Multiplication Tables from Lesson 1 (Teacher Guide)
crayon or marker
calculator
scissors

Materials for the Teacher

Display of Spinners 1–4 and 1–10 page (Student Activity Book) Page 47, optional
Display of Floor Tiler Grid Paper (Student Activity Book) Page 49
Unit 3 Assessment Record

Materials Preparation

Spinners. If you do not have clear plastic spinners to place over the Spinners 1–4 and 1–10 page, students can use paper clips and pencils. Straighten out one end of the paper clip, and place a pencil through the curved end. Then, put the point of the pencil on the center of the spinner, and spin the paper clip around the pencil, using the straightened end as the pointer. See Figure 1.

Multiplication Tables. Each student should have one multiplication table from the Small Multiplication Tables Master from Lesson 1 available as a reference for this game. Remind students they can use their small multiplication tables when they play this game at home. The students may also use their copies of the Multiplication Facts I Know chart from Lesson 2.

Figure 1: Using a paper clip and pencil as a spinner

Assessment in this Lesson

Assessment Expectation Assessed
Observe
Floor Tiler
Student Guide
Pages 84–85
E1.
Represent and solve multiplication and division problems using rectangular arrays.

Vocabulary in this Lesson