Which of these is the correct halving and doubling strategy for 8 x 6?
16 x 3
4 x 12
4 x 3
16 x 12
How would you read 0.100
Zero and One Hundred Thousandths
One Hundred
Zero and One Hundred
One Tenth
20 x 100 =
2000
200
120
20100
Bob uses 4 x 5 to estimate the answer 4.3 x 5. His estimate will be an:
Under-estimate
Over-estimate
2 x 1000
2000
200
20
0
8 x 10 =
18
810
800
80
If I divide a number by 0.1, then that number should get:
Bigger
Smaller
Cats or dogs?
Dogs
Cats
What does the 9 represent in the following number? 4.5390
9 thousandths
9
0.009
90
Which fact would you use to estimate 58 x 34?
60 x 60
34 x 58
30 x 30
30 x 60
Which fact would you use to estimate 23 x 18?
20 x 20
20 x 30
23 x 18
10 x 20
As a single number 6 + 0.01 + 0.002 will be:
6.01002
6.12
6.012
612
What does the 3 represent in the following number? 0.039
3
0.3
0.030
Ace uses 10 x 5 to estimate the answer 9.23 x 4. This estimate will be an:
Over-estimate
Under-estimate
Tanya uses 7 x 3 to estimate the answer 7 x 3.44. Her estimate will be an:
Under-estimate
Over-estimate
Which of these animals is the cutest?
Puppies!
Piglet
Panda
Baby Elephant
6 x 1000
600
6000
6
60
Which fact would you use to estimate 3.22 x 9
5 x 10
3 x 9
3.22 x9
3 x 10
As a single number 400 + 50 + 8 will be:
40058
458
400508
854
5 x 100 =
5
500
105
50
Look at the number 3 071 246. The 7 is in which place value?
Ten Thousands
Hundreds
Thousands
Millions
We can think of multiplication as:
The same as adding
Groups of something
An area model
The same as division
4 x 10 =
50
40
30
20
7 x 10 =
71
710
70
700
As a single number 1000 + 50 will be
5010
1500
100050
1050
What is your favourite type of food?
Pizza
Give me something else!
Hamburgers
Candy
When is your next Math test?
Tomorrow (Saturday)
Next week
Never!
What? A math test?
5 x 1000
4000
5000
6000
500
We can think of division as:
The same as multiplication
The same as subtraction
Splitting into equal groups
How would you read 4.402
Four and Four Hundred Two Thousandths
Four Four and Two Thousandths
Four and Four Hundred Two
Forty-Four Hundred Two
56 x 100 =
156
560
56
5600
50 x 50 =
500
5000
25
2500
What does the 5 represent in the following number? 5 901 020
5 000 000
590 000
5 million
5000
20 x 30 =
50
2030
600
500
If I multiply a number by 0.1, that number should get:
Bigger
Smaller
Which of these is the correct halving and doubling strategy for 5 x 16
5 x 32
10 x 32
10 x 8
10 x 16
What does the 4 represent in the following number? 4.325
40
4
4000
400
What does the 8 represent in the following number? 4850
8
80
800
Look at the number 6503. The number 3 is in which place value?
Tens
Ones
Thousands
Hundreds
Look at the number 50.456. The number 6 is in which place value?
Ones
Thousands
Tenths
Thousandths