Place Value
Estimation
Multiplication & Division
GEMDAS
Word Problems
100
What is the value of the digit '7' in the number 475,900?
70,000
100
Round 456,782 to the nearest ten thousand.
460,000
100
40 x 50 =
2000
100
200 – 14 – 7 =
200 – 14 – 7
= 186 – 7
= 179
100
How much money would you have if you had one hundred 1000 CHF bills?
100 x 1000 = 100,000 CHF

You would have 100,000 CHF.
200
Fill in the blank: 83,256 = 80,000 + ______ + 200 + 50 + 6
3,000
200
Round 3,499,999 to the nearest million.
3,000,000
200
120,000 ÷ 30
4000
200
270 ÷ 3 + 4 x 2 =
270 ÷ 3 + 4 x 2
= 90 + 4 x 2
= 90 + 8
= 98
200
Mr. Li had $75. He kept $35 for himself and distributed the rest equally between his son and his daughter. How much did each child get?
$75 – $35 = $40
$40 ÷ 2 = $20

Each child got $20.
300
What is the value of the digit '8' in the number 466,892,007?
800,000
300
Round each number to the nearest ten thousand, then estimate the value: 143,724 – 112,882
140,000 – 110,000 = 30,000
300
75,000 ÷ 1500 =
50
300
(42 ÷ 21 + 38) – 3 x 12 =
(42 ÷ 21 + 38) – 3 x 12
= (2 + 38) – 3 x 12
= 40 – 3 x 12
= 40 – 36
= 4
300
Andrew has 7 boxes of cake. 3 of the boxes have 8 pieces each. The other 4 boxes have 40 pieces altogether. How many pieces of cake are there in the 7 boxes?
3 x 8 = 24 pieces
24 + 40 = 64 pieces

There are 64 pieces of cake in the 7 boxes.
400
What is the highest place value of the number 4,372,899,398?
Billions
400
Round each number to the nearest "compatible" number to estimate the value: 417 ÷ 32
420 ÷ 30 = 14
400
4200 x 8000
33,600,000
400
[750 ÷ 15 x 7 ÷ (5 x 10)] x 12 =
[750 ÷ 15 x 7 ÷ (5 x 10)] x 12
= [750 ÷ 15 x 7 ÷ 50] x 12
= [50 x 7 ÷ 50] x 12
= [350 ÷ 50] x 12
= 7 x 12
= 84
400
Book B has 10 times as many pages as Book A. If Book B has 500 pages, how many pages do Book A and Book B have altogether?
B: 500 pages
A: 500 ÷ 10 = 50 pages
B+A = 500 + 50 = 550 pages

Book A and Book B have 550 pages altogether.
500
How many thousands are there in a million?
1,000,000 ÷ 1000 = 1000 thousands
500
Round each number to the nearest "compatible" number to estimate the value: 9873 ÷ 108
9900 ÷ 110 = 90
500
8,100,000 ÷ 3000
2700
500
32 + 4 x (54 – 2 x 22) =
32 + 4 x (54 – 2 x 22)
= 32 + 4 x (54 – 44)
= 32 + 4 x 10
= 9 + 4 x 10
= 9 + 40
= 49
500
A furniture shop sold 50 cabinets and 70 bookshelves for $45,500 altogether. Each cabinet cost $350. What was the price of each bookshelf?
Cost of all cabinets: 50 x $350 = $17,500
Cost of all bookshelves: $45,500 – $17,500 = $28,000
Cost of one bookshelf: $28,000 ÷ 70 = $400

Each bookshelf cost $400.
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