Lesson 15
Solve using an array and area model.
Lesson 15
Solve using an array and area model.
Lesson 16
Show the division using disks. Relate your work on the place value chart to long division. Check your quotient and remainder by using multiplication and addition.
Lesson 16
Show the division using disks. Relate your work on the place value chart to long division. Check your quotient and remainder by using multiplication and addition.
Lesson 17
Show the division using disks. Relate your model to long division. Check your quotient by using multiplication and addition
Lesson 17
Show the division using disks. Relate your model to long division. Check your quotient by using multiplication and addition
Lesson 18
Solve using the standard algorithm. Check your quotient and remainder by using multiplication and addition. 93 ÷ 7
Lesson 18
Solve using the standard algorithm. Check your quotient and remainder by using multiplication and addition. 99 ÷ 8
Lesson 19
Marti’s photo album has a total of 45 pictures. Each page holds 4 pictures. She said she can only fill 10 pages completely. Do you agree? Explain why or why not.
Lesson 20
Solve 42 ÷ 3 using the area model, a number bond, and a written method.
Lesson 21
Solve 93 ÷ 4 using the area model, long division, and the distributive property.
Lesson 23
Use the associative property to explain why the following statement is true:
Any number that has 9 as a factor also has 3 as a factor.
Lesson 25
Use the calendar to complete the following:
1. Cross off all composite numbers. 2. Circle all of the prime numbers. 3. List any remaining numbers.