Multiplying 2 digits
Calculate using the easiest method.
70 X 25 OR 25 X 70
WHY is it easier?
25 X 70 = 175
Using a multiplier that ends with 0 is easier/better.
Multiply 77.65 X 10 000. Place the comma in the correct spot.
776, 500
Convert CM to M. 130 CM = ______ M.
1.3 M
There are 6 equal parts in this whole. 6 parts are shaded. We can express the shaded portion as: _____
6/6 or 1 (Whole)
Find the perimeter of a shape with units of:
5cm, 3cm, 5cm, 1cm, 4cm, 2cm, 4cm
24cm
P = sum of the sides lengths
the total length around a shape.
Calculate using the easiest method.
125 X 4 or 4 x 125
WHY is it easier?
125 X 4 = 500
Using a multiplier with fewer digits is better/easier.
Multiply 23.5012 X 1000. Place the comma in the correct spot.
23, 501.2
Convert MM to CM. 2750 MM = _______ CM.
275 MM.
There are 4 equal parts in this whole. 1 part is shaded. We can express the shaded portion as: ___
1/4
5cm, 3cm, 5cm, 1cm, 4cm, 2cm, 4cm
Answers will vary.
Calculate using the easiest method.
135 X 50 OR 50 X 135
WHY is it easier?
135 X 50 = 6750
Using a multiplier that ends with 0 is better/easier.
Divide 166, 980 by 10 000.
16.698
Convert the following: KM to MM. 0.007KM = ___ MM.
0.007 X 1000 = 7
7 X 100 = 700
700 X 10 = 7000
7000mm
There is 1 whole shaded. There is also 2/3 of another whole shaded. We can express both shaded portions together as: _______.
Hint: Mixed fractions
Mr. Sims wants to build a fence around his garden. The sides of his garden are 50m, 20m, 120m, and 80m. Show how many metres of fencing will he need.
270m
An usher sold 60 bags of lollypops. Each bag contained 45 lollypops. How many lollypops did he sell?
2700
A juice factory divides 512 320 mL among 1000 containers. How many mL of juices does each container carry? Answer in a full sentence.
512 320 divided by 1000 = 512.320
Each container carries 512.320 mL of juice.
Convert the following: MM to M. 62 500 MM = ____ M
62 500 divided by 10 = 6250
6250 divided by 100 = 62.5
62.5 M
There are 3 equal parts in each whole. 5 parts are shaded. We can express both shaded portions together as: __________
Hint: Improper fraction
5/3 (five thirds)
A photograph has an area of 20cm2. If its length is 5cm, what is its width?
4cm
L X W = 5 X 4 = 20cm2
Another vendor sold 51 bags of peanuts. Each batch consisted of 36 peanuts. How many did he sell?
1836
A wheel on a car revolves 218.125 times in 1 minute. How many times does the wheel revolve at that rate in 100 minutes? Answer in full sentences.
218.125 X 100 = 21812.5
The wheel revolves at a rate of 21812.5 in 100 minutes.
Convert the following: MM to M. 8700 MM = ____ M.
8700 divided by 10 = 870
870 divided by 10 = 8.7
8.7 M
There are 4 equal parts in each whole. 11 parts are shaded. We can express both shaded portions together as: __________
Hint: Improper fraction
11/4