Addition and Subtraction
Build a tape diagram with 10 squares. Then, remove 6 squares. Write an expression to represent the tape diagram.
10-6
0.6 x 0.6 =
Write an equivalent expression to demonstrate the relationship between multiplication and addition.
6 + 6
2 x 6
If 12 / x = 3, how many times would x have to be subtracted from 12 in order for the answer to be zero?
What is the value of x?
3
x=4
42 = ?
16
4 + 5 - _____ = 4
5
1.5 x 1.5 =
2.25
Write an equivalent expression to demonstrate the relationship between multiplication and addition.
3 x 9
9 + 9 + 9
If 24 / b = 12, which number is being subtracted 12 times in order for the new answer to be zero?
2
Write 2 x 2 x 2 x 2 in exponential form.
24
____ + 16 - 16 =45
45
0.1 x 0.1 =
0.01
Write an equivalent expression to demonstrate the relationship between multiplication and addition.
h + h + h + h + h
5h
Represent 56 / 8 = 7 using subtraction. Explain your reasoning.
Need to show work.
Write 8 x 8 x 8 using an exponent
83
a + b - ____ =a
b
12 / 3 x _____ =12
3
Write an equivalent expression to demonstrate the relationship between addition and multiplication:
6 + 6 + 6 + 6 + 4 + 4 + 4
4 X 6 + 3 X 4
Explain why 30 / x = 6 is the same as 30 - x - x - x -x - x - x=0.
30 / 5 = 6, so x=5. When I subtract 5 from 30 six times, the result is 0.
(1.5)2 ?
Expanded AND standard form!
1.5 x 1.5
2.25
Draw a tape diagram to represent:
8-2 + 2 = 8
Need to show work.
Draw a series of tape diagrams to represent the following number sentence:
4 x 5 - 5 = 4
Need to show work
Write an equivalent expression to demonstrate the relationship between addition and multiplication.
d + d + d + w + w + w + w + w
3d + 5w
Draw a tape diagram demonstrating 24 / x = 4 and solve for x.
x = 6
What is the difference between 6z and z6?
6z= z + z + z + z + z + z (6 x z)
z6= z x z x z x z x z x z