(1.2)
Compare the values of the 6s in the number 466,900.
The 6 in the ten thousands place is 10 times as great as the 6 in the thousands place.
OR
The 6 in the thousands place is 1/10 the 6 in the ten thousands place.
Divide 10 by the diff erence of 9 and 4.
10 ÷ (9 − 4)
Write the equation for the model 
1.4 + 0.7
399 × 2
798
Write & solve an equation for the model.
0.2 × 4 = 0.8
Write the number in two other forms.
Standard form: 78,300
Word Form: seventy-eight thousand, three hundred
Expanded Form: 7 × 10,000 + 8 × 1,000 + 3 × 100
Add 54 and 97, then multiply by 2.
(54 + 97) × 2
Write an equation for the model.

1.5 + 2.7
33,184 × 2
66,368
Write and solve an equation for the model.

0.15 × 3 = 0.45
Write the number in two other forms.
Standard form:
Word form: three hundred fifty thousand, fifty-eight
Expanded form:
Standard form: 350,058
Expanded Form: 3 × 100,000 + 5 × 10,000 + 5 × 10 + 8 × 1
Multiply the sum of 14 and 18 by 4.
(14 + 18) × 4
Write an equation for the model

2.42 − 1.24
60,759 × 4
243,036
Write the equation and find the product using the model.

0.9 × 0.2 = 0.18
Write the number in two other forms.
Standard form:
Word form:
Expanded form: 6 × 100,000 + 8 × 1,000 + 4 × 100 + 5 × 10 + 9 × 1
Standard form: 608,459
Word form: six hundred eight thousand, four hundred fifty-nine
Expanded form: 6 × 100,000 + 8 × 1,000 + 4 × 100 + 5 × 10 + 9 × 1
Subtract 30 from 50, then divide by 10
(50 − 30) ÷ 10
Write an equation from the model.

3.15 + 0.92
Find the missing digits.

Write the equation and find the product using the model.

0.6 × 1.6 = 0.96
Newton is thinking of a 6-digit number in which all of the digits are the same. The value of the digit in the thousands place is 8,000. What is Newton’s number?
888,888
Newton has $20. He spends $4 on lunch and $13 at the store. Write an expression to represent the situation.
20 − (4 + 13)
Write an equation for the model.

3.54 + 1.63
The Amazon River is 350 miles
shorter than 3 times the length of the Colorado
River. How much longer is the Amazon River than
the Mississippi River?
1,660 miles
How would you shade the model to
represent the product of 0.6 and 0? What is the product? Explain.
0. no squares are shaded twice.