Maths Flashcards

1
Q

Multiply decimals. 17.4 x 15 =

A

261

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

24.7 x 24 =

A

592.8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

29 x 24.1 =

A

698.9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

4.2 x 8.9 =

A

37.38

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Dividing decimals 28.08/9

A

03.12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

85.32/6

A

14.22

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

97.28/4

A

24.32

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

44.8/8

A

05.6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Put these in order 0.23, 2.3, 3.02, 3.2, 2.32, 0.32, 3.23

A

0.23, 0.32, 2.3, 2.32, 3.02, 3.2, 3.23

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Divide by whole number. 1.26 / 0.14 =

A

Multiply both by 100 126 / 14 = 9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Rounding to decimal places. Round 6.8352 to 2 decimal places

A

6.84

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

7.998 to 2 decimal places

A

8.00

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

6.34 to 1 decimal place

A

6.3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Fractions and decimals. What is T and R

A

Terminating decimal and recurring decimal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is 1/2 in decimal

A

0.5 Divided 10 by the denominator, to give 5. Then multiply by the actual nominator, 1. Then divide by 10. = 0.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Write 1/5 as a decimal

A

10 as the “nominator” is divided by 5 = 2. Multiply by the actual nominator. Then divide by 10 as in move the decimal point backward one place = 0.2

17
Q

What is 1\9 in long division

A

0.1 1 1 1
9 /—————
/ 1.1 1 1 1
0 0 0 0

18
Q

Negative numbers. What does a minus - a minus equal?

A

A plus

19
Q

3-3=

A

O

20
Q

3 - - 3 =

A

3+3 = 6

21
Q

3 + -3=

A

0

22
Q

-3 + -3 =

A

-6

23
Q

What is the rule for multiplying plus and minus

A

If the signs are the same the answer is positive. If the signs are different the answer is negative

24
Q

What is 3 x 7 =

A

+21

25
Q

-3 x -7 =

A

+21

26
Q

-3 x 7 =

A
  • 21
27
Q

3 x -7 =

A

-21

28
Q

Indices what is (-2) 2

A

-2 x -2 = 4

29
Q

-2 2

A

2 x 2 = 4 but minus so the answer is -4

30
Q

Simplify (X+2) (x+5)

A

X[squared]+5x+6

31
Q

Factorise x[squared]+3x+2

A

(X+2)(x+1

32
Q

Factorise x[squared]-7x+12

A

(x-3)(x-4)