Number Sense
89+90-5=?
184
Convert the given measures to new units.
7.3kg=________g
9.8m=_________mm
0.23dm=__________cm
1. 7300
2. 9800
3. 2.3
one rectangle long is 18cm wide is 10cm what is this rectangle area.
18x10=180cm
is 180cm
4...16...64
what is next number?
256
one spinner have red, yellow, blue, green
2/6red,1/6blue 3/6yellow
how many green have
have 0 green
which set is in order from least to greatest?
a 1.153, 1.062, 0.13, 0.054
b 0.13, 0.054, 1.162, 1.153
c 0.054, 0.13, 1.153, 1.062
d 0.054, 0.13, 1.062, 1.153
is d
jack go to school at 9:00am go home at 4:00pm.
he at school how many hour.
4:00=16:00
16-9=7
he at school 7 hour
one square area is 81cm what is this square's Side length?
is 9 because 9x9=81
what is the frames number 7?
3...7...11...15...19...23
27
Lucas has 5 T-shirts in a drawer: 1 red,2 yellow, 1 pink and 1 blue. He selects one T-shirt without looking.
What is the probability that Lucas selects a
T-shirt that is not pink or blue?
a.1/5
b.2/5
c.3/5
d.4/5
b
5x34+45x4
350
one cuboid high is 8cm,wide is 14cm,long is 12cm.
how mach is this cuboid's area？
8x14x12=1344cm
this cuboid area is 1344cm
one Parallelogram b is8 a is12 what is this Parallelogram area?
8x12=96
is 96
what is the number part?
is Multiply by3
Hayden randomly selects one date from this calendar.
What is the probability that it will be an odd-numbered date? (1month=31day)
a.1/31
b.7/31
c.15/31
d.16/31
d
45\9+80x9-60=
665
one cuboid high is 9cm wide is 12cm long is 14cm
one cube high and wide and long is 6
which area is bigger.
cuboid: 9x12x14=1512cm
cube: 6x6x6=216cm
cuboid is bigger
one triangle area is 40cm, high is 5cm what is this triangle's wide?
40x2=80
80\5=16
this triangle's wide is 16 cm
7x=28
what is the x?
4
There are 2 blue, 5 green, 6 red and 7 purple marbles in a bag. Erin picks one marble from the bag without looking.
What is the probability that she will pick a marble that is purple?
a.7%
b.20%
c.35%
d.54%
a
320x10-980=?x2
what number is"?"
1110
one cuboid high is 6cm wide is 120mm long is 1.6dm
what this cuboid area?
120mm=12cm
1.6dm=16cm
6x12x16=1152cm
one triangle a is 23cm b is 250mm
what is this triangle area?
250mm=25cm
23x25=575cm
[98\2-2x(10+9)]x5
55
Henry designs the spinner below and labels the sections with the names of colours.
He wants 0.15 to be the probability of the arrow landing on “blue” in one spin.
How many sections should he label “blue”? (1 spinner have 20 grad)
a.2
b.3
c.15
d.17
c