Show Down Captain Write the problem down on your dry erase board. Work out the problem Circle your Answer Wait for me to call “Show Down”

816 ÷ 34

24

4,608 ÷ 72

64

6.7(3.4)

22.78

0.96+ 13.9

14.86

8.35 – 6.61

1.74

7.45 ÷ 2

3.725

Leah wants to count her pennies Leah wants to count her pennies. She thinks she has between 20 and 50 pennies so wants to arrange them into a rectangular array to make them easier to count. Leah creates an arrangement of 5 equal rows and 7 equal columns and has 4 pennies left over. How many pennies does Mary have?

39

Leah wants to count her pennies Leah wants to count her pennies. She thinks she has between 20 and 50 pennies so wants to arrange them into a rectangular array to make them easier to count. Leah creates an arrangement of 5 equal rows and 7 equal columns and has 4 pennies left over. If Leah decided to make equal rows of 6, how many would she have left over?

3

Can Leah make and array where she has no pennies left over? Leah wants to count her pennies. She thinks she has between 20 and 50 pennies so wants to arrange them into a rectangular array to make them easier to count. Leah creates an arrangement of 5 equal rows and 7 equal columns and has 4 pennies left over. Can Leah make and array where she has no pennies left over? Illustrate why or why not!

13 equal rows with 3 equal columns YES! 13 equal rows with 3 equal columns

Lucas organizes his match box cars to make them easier to count Lucas organizes his match box cars to make them easier to count. He has 2(10) + 3. Based on this information, select all of his friends who have more match box cars than he does. (2 • 8) + 9 -3 A. 6 + (3 • 6) B. 2(5) + 5 + (2 • 4) C. 4(3) + 2(6) D.

Lucas organizes his match box cars to make them easier to count Lucas organizes his match box cars to make them easier to count. He has 2(10) + 3 = 23. Based on this information, select all of his friends who have more match box cars than he does. (2 • 8) + 9 -3 16 + 6 = 22 A. 6 + (3 • 6) 6 + 18 = 24 B. 2(5) + 5 + (2 • 4) 10 + 5 + 8 = 23 C. 4(3) + 2(6) 12 + 12 = 24 D.

Which numbers below are factors of 24? 8 A 3 B 7 C 4 D

Which numbers below are factors of 24? 8 A 3 B 7 C 4 D

Which of the following is equivalent to 4 x 4 x 4 x 4 x 4? 20 5⁴ 4⁵ 4⁴

C

Solve: 3⁴

81

Write the exponential form that is equivalent to this expression: 6.2 x 6.2 x 6.2

6.2³

Jason works the problem 4³. He tells his teacher that the answer is 12. Is he correct? Explain!

Because he calculated 4 · 3 instead of 4 · 4 · 4 NO Because he calculated 4 · 3 instead of 4 · 4 · 4

All the Factors of 12 are:

1, 12 2, 6 3, 4

All the factors of 44 are:

1, 44 2, 22 4, 11

What is the Greatest Common Factor for 8 and 24? Be ready to Explain!

8

What is the Least Common Multiple of 6 and 18? Be ready to Explain!

18

Write a numerical expression to model 18 using multiplication and addition.

Some Examples: 6 · 2 + 6 2 · 2 · 2 + 10 4 · 4 + 2 1 · 17 + 1 3 · 5 + 3