8.ee.a.2 Preassessment Retake

Which is wrong?

• 2x2= $4^2$

• 12x12=144

• $7^2$ =7x7

• 10x10=100

Which is NOT true?

• 9² = 9 + 9

• 3² = 3 x 3

• 1² = 1 x 1

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.4

-5²

• -25

• 25

• -10

• 10

Tags

CCSS.6.EE.A.1

You can't square a decimal

• True

• False

5²

• 5
• 10
• 15
• None of these

Tags

CCSS.5.NBT.B.5

9²

• 18
• 81²
• 81
• none of these

Tags

CCSS.6.EE.A.1

11²

• 111
• 121
• 131
• 141

Tags

CCSS.6.EE.A.1

Rewrite the numbers as decimal or fraction.
 $\frac{25}{100}$  

• 25

• .25

• .025

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

CCSS.5.NF.B.3

Rewrite the numbers as decimal or fraction.
 $\frac{7}{10}$  

• 0.7

• 7.0

• 0.07

Tags

CCSS.5.NBT.A.3

CCSS.5.NF.B.3

Convert 4/5 to a decimal

• .45
• .80
• .40
• .54

Tags

CCSS.5.NBT.B.7

CCSS.5.NF.B.3