Number

Question 1

What is PLACE VALUE?

When move from r to l values increase by a factor of 10

Answer 1

Question 2

What are decimal numbers?

Answer 2

Decimals are parts of a whole number

Question 3

Left to right when reading and writing numbers

DO NOT say and when read or write whole numbers

Answer 3

Write sixty million sixty thousand sixty

Step 1: value of each part of written number

Sixty million is in millions - 60 000 000

Sixty thousand is in thousands - 60 000

sixty is in ones - 60

Step 2: Put together

60 000 000

60 000

60

60 060 060

Question 4

Name the numbers and the place value position of final digit

Decimal point read as decimal, point, or and

Answer 4

Read and Write 1.257

Read:

1. Say word for whole number: one
2. Say and where decimal is
3. Say words for 3 digits to right of decimal point: two hundred fifty seven
4. Say word for place value of last digit: thousandths

Write in Words:

one and two hundred fifty seven thousandths

Question 5

Possible Strategies:

Answer 5

simplify problem

look for pattern

draw a picture

guess, check, revise

make a table

use calculator

work backward

Question 6

Multiplication Problem Terms (3)

Answer 6

product

multiply

times

Question 7

Division Problem terms (3)

Answer 7

quotient

divide

divisible

Question 8

Addition Problems (3)

Answer 8

sum

adding

totalling

Question 9

Subtraction problems (3)

Answer 9

difference

less than

more than

Question 10

Given total and asked for a part, what operations may be involved? (2)

Answer 10

division

subtraction

Question 11

Asked for total, what operations may be involved? (2)

Answer 11

multiplication

addition

Question 12

Equal groupings involved requires what operations? (2)

Answer 12

multiplication

division

Question 13

Estimation Strategy

greater than 5 = round up

less than 5 = round down

check reasonableness of answer, predicting

Answer 13

Example:

Ordered 12 shipments of DVD’s. 565 DVD’s in each shipment. Approx how many DVD’s ordered in total?

Tound each number to GREATEST PLACE VALUE:

12 -> 10 (2 is less than 5)

565 ->600 (6>5)

10 x 600 = 6 000 ordered