Mental Reasoning

a method for estimating a group of numbers by slightly adjusting some or all of the numbers to allow for easy mental computation

• compatible numbers

• rounding

• dividend

• product

Complete the conjecture.  Think of examples to help.
The product of any two odd numbers is _____________

• even
• odd
• zero
• positive

Tags

CCSS.3.OA.D.9

Find the next term in the sequence:
A, D, G, J, _____

• L
• M
• P
• K

Tags

CCSS.HSF.BF.A.2

Find the seventh term in the sequence:
A, D, G, J, _____

• M
• P
• S
• V

Tags

CCSS.HSF.BF.A.2

How many cubes would be in the 10th figure?

• 18
• 16
• 17
• 41

Tags

CCSS.HSF.BF.A.2

What are the missing numbers in this pattern?
23, 33, ___, 53, ___, 73

• 32, 62
• 42, 63
• 43, 63
• 42, 62

Tags

CCSS.2.NBT.A.2

Where would the next red square be?

• bottom left
• top right
• top left
• bottom right

Tags

CCSS.4.G.A.3

• 1
• 15
• 20
• 12

What are the missing numbers in this pattern?
12, 15, ___, 21, ____, 27

• 18,23
• 18, 24
• 17, 25
• 17, 24

Tags

CCSS.2.NBT.A.2

What are the next two numbers in this pattern?
12, 17, 22, 27, ___, ___

• 32, 37
• 30, 37
• 30, 33
• 32, 35

Tags

CCSS.2.NBT.A.2