Unit 1-Number Relationships Building Block 1 and 2

Unit 1-Number Relationships Building Block 1 and 2

Expanded Notation

There are two forms to represent expanded notation:

1) Decimal form

2) Fraction form

Expanded Notation in Decimal Form

5.281

(5 x 1) + (2 x 0.1) + (8 x 0.01) + (1 x 0.001)

Expanded Notation in Fraction Form

5.281

(5 x 1) + (2 x  $\frac{1}{10}$  ) + (8 x  $\frac{1}{100}$  ) + (1 x  $\frac{1}{1000}$  )

Fill in the Blanks

What is the expanded notation in DECIMAL FORM for 35.649?

Multiple Choice

Choose the fraction form of the expanded notation for 6.438

• (6 x 1) + (4 x $\frac{1}{100}$ ) + ( 3 x $\frac{1}{10}$ ) + (8 x $\frac{1}{1000}$ )

• (6 x 1) + (4 x $\frac{1}{1}$ ) + ( 3 x $\frac{1}{100}$ ) + (8 x $\frac{1}{1000}$ )

• (6 x 1) + (4 x

  $\frac{1}{10}$ ) + ( 3 x $\frac{1}{100}$ ) + (8 x $\frac{1}{1000}$ )

• (6 x 1) + (4 x $\frac{1}{10}$ ) + ( 3 x $\frac{1}{10}$ ) + (8 x $\frac{1}{10}$ )

Fill in the Blanks

Which comparison symbol should go in between these two numbers?

< > =

7.658

7.67

Open Ended

Elijah ordered the following numbers from least to greatest.

16.583, 16.7, 16.498, 16.303, 16.92

Do you agree or disagree? Why or why not?

Read and solve.

Jaxson drew a line that is 15.6 cm long. Owen drew a line that is 29.8 cm. Estimate the length if the two lines were to be combined.

What is the sum of both lines combined?

Poll

Flori has $3,982 in her bank account. Today, she makes a deposit of $1,643.What is her new account balance?

Is this an addition situation or a subtraction situation?

• Addition

• Subtraction

• Neither

Multiple Choice

Ella has $25.72 in her wallet. She bought two cokes, each coke cost $1.25. She also purchased a Hershey chocolate bar for $2.05. How much money does she have leftover after her purchase?

• $20.18

• $21.17

• $22.52

• $21.20

Fractions

If we combine both amounts, what would be the sum?

Fractions

If we subtract both amounts, what is leftover?