Archive

Archive for the ‘Uncategorized’ Category

Product of Primes – Answers

September 4, 2016 Comments off

Workout

Question 1:

(a)  2 × 5                (b)  2² × 3             (c)  2² × 5             (d)  2 × 3²

(e)  2⁴                     (f)  2 × 3 × 5         (g)  2² × 5²           (h)  2 × 13

(i)  2³ × 3                (j)  3³                    (k)  2 × 3 × 7         (l)  3 × 11

(m)  2 × 19              (n)  2⁶

Question 2:

(a)  2² × 3²             (b)  2³ × 5             (c)  2² × 7            (d)  2⁴ × 3

(e)  2⁴ × 5                (f)  2³ × 5²            (g)  3 × 5²            (h)  2⁵

(i)  3 × 5 × 7             (j)  3⁴                     (k)  2² × 13          (l)  2 × 11²

(m)  2² × 3³            (n)  2² × 5³

Question 3:

(a) 14                      (b)  30                     (c)  110                   (d)  24

(e)  20                    (f)  75                      (g)  72                    (h)  99

(i)   625                  (j)  400                   (k)  432                  (l)  2023

Question 4:

(a)  2³ × 3² × 5³                  (b)  5 × 47                (c)  2³ × 7²

(d)  5 × 11 × 13                     (e)  2² × 3 × 37        (f)  2³ × 3² × 11

(g)  3² × 5⁴

Apply

Question 1:

(a)  2³ × 3            (b)  2² × 3²                 (c)  2² × 3 × 5           (d)  2⁴ × 3

(e)  2³ × 3 × 5      (f)  2² × 3 × 7

Question 2:

(a)  2³ × 3 × 5²                (b)  2 × 3 × 5²                (c)  2² × 3² × 5²

(d)  2² × 3 × 5² × 11        (e)  2² × 3 × 5³              (f)  2⁵ × 3 × 5²

Question 3:

(a)  6 = 2 × 3  not  3 × 3…  so the answer is 2² × 3²

(b)  The answer should be in index form  2³ × 3

Question 4:

(a)  2² × 5 × 7²

(b)  5

Question 5:

(a)  2⁵ × 3 × 5

(b)  30

Question 6:

(a)  2 × 3³ × 7²

(b)  28

 

Categories: Uncategorized

Percentages

August 21, 2016 Comments off

Without a Calculator

 

With a Calculator

Categories: Uncategorized

Metric Units

August 21, 2016 Comments off

Length

 

Mass

 

Capacity

Categories: Uncategorized

Rounding

August 21, 2016 Comments off

Nearest whole number

 

Nearest 10

 

Nearest 100

 

Nearest 1 or 2 decimal places

Categories: Uncategorized

Parallel and Perpendicular Lines

August 21, 2016 Comments off

Parallel Lines

 

Perpendicular Lines

Categories: Uncategorized

Angle Facts

August 21, 2016 Comments off

Right Angles

 

Straight Lines

 

At a Point

Categories: Uncategorized

Textbook Answers – Addition

July 17, 2016 Comments off

Workout

Question 1:

(a) 88

(b) 48

(c)  81

(d)  103

(e)  96

(f)  103

(g)  131

(h)  177

Question 2:

(a)  687

(b)  618

(c)  991

(d)  725

(e)  1286

(f)  588

(g)  1201

(h)  1221

Question 3:

(a)  6016

(b)  7881

(c)  10229

(d)  6370

(e)  2042

(f)  7969

(g)  13312

(h)  9284

Question 4:

(a) 63335

(b) 62038

(c) 28152

Apply

Question 1: 66p or £0.66

Question 2: 181 marbles

Question 3(a): 106 kilometres

3(b): 160 kilometres

Question 4: 696 students

Question 5(a):54 + 35 = 89

5(b): 48 + 24 = 72

5(c):  563 + 371 = 934

Question 6:

(a) In the tens column, although the 1 has been carried over from the units, it has not been added to the 5 and the 7 to make 13, not 12. The answer should be 1035.

(b) When the 8, 9, 7 and the carried over 1 are added together in the tens column, it gives 25, so a 2 should be carried over into the hundreds column, not a 1. The answer should be 1356.

Categories: answers, Uncategorized