review for chapter 4 multiplication and division basic facts
TRANSCRIPT
Review for Review for Chapter 4 Chapter 4
Multiplication and Multiplication and Division Basic FactsDivision Basic Facts
Objective 4.1 Use multiplication Objective 4.1 Use multiplication properties and division rulesproperties and division rules
Which property is represented by this Which property is represented by this equation?equation?
(3 x 4) x 2 = 3 x ( 4x 2) (3 x 4) x 2 = 3 x ( 4x 2)
Commutative Property
Associative Property
Property of One
Property of Zero
Objective 4.1 Use multiplication Objective 4.1 Use multiplication properties and division rulesproperties and division rules
Which property is represented by this Which property is represented by this equation?equation?
_____ x 4 = 4_____ x 4 = 4
Commutative Property
Associative Property
Property of One
Property of Zero
Objective 4.1 Use multiplication Objective 4.1 Use multiplication properties and division rulesproperties and division rules
Which property is represented by this Which property is represented by this equation?equation?
5 x 7 = 7 x 55 x 7 = 7 x 5
Commutative Property
Associative Property
Property of One
Property of Zero
Objective 4.1 Use multiplication Objective 4.1 Use multiplication properties and division rulesproperties and division rules
Solve. Solve.
Explain the rule you used. If there is no solution, Explain the rule you used. If there is no solution, tell why.tell why.
9 ÷ 9=
Any number divided by itself equals 1.
Objective 4.1 Use multiplication Objective 4.1 Use multiplication properties and division rulesproperties and division rules
Solve. Solve.
Explain the rule you used. If there is no solution, Explain the rule you used. If there is no solution, tell why.tell why.
5 ÷ 0 =
It is impossible to divide by zero.
Objectives 4.2/4.3 Objectives 4.2/4.3 Use Use multiplication facts & patterns to multiplication facts & patterns to
help you dividehelp you divide
• • • • • • • • • • • • • • • • • •
Write a fact family for the array.
3 × 3 =99 ÷ 3 = 3
Objectives 4.2/4.3 Objectives 4.2/4.3 Use Use multiplication facts & patterns to multiplication facts & patterns to
help you dividehelp you divide
• • • • • • • • • •
• • • • • • • • • •
• • • • • • • • • •
Write a fact family for the array.
3 × 5 = 155 × 3 = 1515 ÷ 3 = 615 ÷ 6 = 3
Objectives 4.2/4.3 Objectives 4.2/4.3 Use Use multiplication facts & patterns to multiplication facts & patterns to
help you dividehelp you divide
Write a fact family for the array.
3 × 6 = 186 × 3 = 1818 ÷ 3 = 618 ÷ 6 = 3
x 1 2 3 4 5 6
1
2
3
Objectives 4.2/4.3 Objectives 4.2/4.3 Use Use multiplication facts & patterns to multiplication facts & patterns to
help you dividehelp you divide
Write a fact family for these numbers.
5, 5, 25
5 x 5 =25 25 ÷ 5 =5
Objective Objective 4.4/4.5: Multiplication & 4.4/4.5: Multiplication & Division facts to 5 and 10.Division facts to 5 and 10.
SolveSolve
35 ÷ 7 35 ÷ 7
42
5
28
6
Objective Objective 4.4/4.5: Multiplication & 4.4/4.5: Multiplication & Division facts to 5 and 10.Division facts to 5 and 10.
SolveSolve
4 X 8 =4 X 8 =
32
4
42
12
Objective Objective 4.4/4.5: Multiplication & 4.4/4.5: Multiplication & Division facts to 5 and 10.Division facts to 5 and 10.
SolveSolve
(2 x ___ ) x2 = 4 x 6(2 x ___ ) x2 = 4 x 6
6
4
24
Objective Objective 4.4/4.5: Multiplication & 4.4/4.5: Multiplication & Division facts to 5 and 10.Division facts to 5 and 10.
16 ÷ 4 = (16 ÷ 2) ÷16 ÷ 4 = (16 ÷ 2) ÷
6
4
24
Objective Objective 4.8: Learn how to divide 4.8: Learn how to divide when there are remainders.when there are remainders.
5)95)9
1 R 4
4
2 R 3
Objective Objective 4.8: Learn how 4.8: Learn how to divide when there are to divide when there are
remaindersremainders
20 ÷ 6
26
3 R 2
4R2
4.9: Decide what 4.9: Decide what operations to use to solve operations to use to solve
problems.problems.Tomorrow is the final day that reading cards may be turned in . Tina has been reading for 45 minutes already today. If she is supposed to read 70 minutes a day how many more minutes will Tina need to read tonight?
115
35
25
4.9: Decide what 4.9: Decide what operations to use to solve operations to use to solve
problems.problems.The school has a goal of donating 7 IPADS to each classroom. If there are 5 classrooms, how many IPADS need to be donated?
12
35
2
4.9: Decide what 4.9: Decide what operations to use to solve operations to use to solve
problems.problems.Mark and his two sisters shared the cost of an expensive book. It cost $18. If the siblings spent an equal amount, how much did each sibling pay?
$9
$6
$36
4.9: Decide what 4.9: Decide what operations to use to solve operations to use to solve
problems.problems.On Monday, Marcia read 38 pages. On Tuesday she read 37 more pages. Wednesday and Thursday she forgot to read. Friday, she read 56 pages. How many pages did she read this week?
131
93
75