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MULTIPLICATION
DIVISION
ESTIMATING FOR MULTIPLICATION
ESTIMATING FOR DIVISON
SURPRISE!
100
4.3 X 3=?
What is 12.9
100
3.6 ÷ 4 = ?
What is 0.9
100
5.94 x 3 = ?
What is approximately 18
100
4.46 ÷ 2 = ?
What is approximately 2 or 2.25 or 2.50
100
Write this number in standard form: 5 and 78 thousandths
What is 5.078
200
8.92 x 6 = ?
What is 53.52
200
5.76 ÷ 3 = ?
What is 1.92
200
63.06 x 4 =?
What is approximately 252
200
63.6÷8 =?
What is approximately 8.
200
Where do you put the decimal in the product of this question? 8.756 x 5 = 4378
What is 43.78
300
0.023 x 8=?
What is 0.184.
300
0.91 ÷ 7 = ?
What is 0.13
300
0.78 x 5 = ?
What is approximately 3.75
300
15.4658÷4=?
What is approximately 4.
300
Using estimation, decide where you would put the decimal in the quotient of this question. 25.245÷3=8415
What is 8.415.
400
Dora is selling Girl Guide cookies and each box costs $5.25 (including tax). If I buy 7 boxes, how much would I have to pay in total?
What is $36.75
400
Lidia has 3 puppies. She needs to put an equal amount of dog food into each of their dishes. She has 2.34 kg of dog food. How much food can she put in each dog's dish?
What is 0.78 kg.
400
Kamryn walked 4.37m to school everyday for 5 days. About how many metres did she walk?
What is approximately either 20 or 22 metres.
400
Morgan wants to cut a 43.65m long ribbon into 3 ribbons of equal length. Estimate how long each ribbon should be.
What is approximately 14.5m
400
Abigail is working on her math assignment. She is having difficulty with one of the questions. Here is the question and her answer: 497.35÷7=71.5 Help Abigail find the correct quotient.
What is 71.05
500
At a smoothie shop, the size of a regular smoothie is 325.24ml and the size of a large smoothie is 645.50ml. River bought 2 regular smoothies and 3 large smoothies. How many millilitres are in the 5 smoothies in total?
What is 2586.98ml Regular: 325.24ml x 2 = 650.48ml Large: 645.50ml x 3 = 1936.50 ml Total: 650.48ml + 1936.50ml = 2586.98ml
500
Kaaden received $58.10 dollars in allowance for the week. If he wants to make sure he has the same amount of money to spend every day of the week. How much should he budget for every day?
What is $8.30 per day.
500
There are 5 cups of juice. There is 0.74ml of juice in each cup. Caitlyn drank 3 cups. About how many millilitres of juice is left?
What is approximately 1.5ml.
500
Alec poured 33.12L of milk into 8 jugs and he wants to make sure that jugs contains an equal amount. About how much milk should he pour into each?
What is approximately 4L in each jug.
500
1) It takes 0.75L of milk to bake one cake. Anju baked 6 cakes. How many litres of milk did Anju use? 2) It takes 1.68g of baking powder to bake 6 cakes. How many grams of baking powder did Anju used to bake one cake?
What is 1) 4.5 L 2) 0.28g