Redwood Arithmetic (Challenging)

6574 x 31 =

125.48 - 72.3 =

3 016 divided by 13

2/5 divided by 2 =

12% of 800

0.7 x 5 =

82.7 x 6

66% of 3000

72% of 200

1367 x 29 =

63.04 - 3.138 =

39.14 - 3.112 =

2641 x 58=

57.4 / 7 =

(3 cubed) - (3 squared) =

(3 squared)+ 10 =

(1 squared) + (2 squared) + (4 squared)=

(8 Squared) - (2 cubed) =

12.05 / 100

67.91 x 100 =

5.55 / 10 =

368 701 + 6000 + 300 + 29 =

23 005 - ? = 21 006

? + 3 500 = 8 400

8 x ? = 56

? / 3 = 7

60 - 42 / 6 =

20 - 4 x 2 =

(120 - 15) x 5 =

73.8 / 6 =

29.92 - ? = 26.837

5.48 x ? = 27.4

32% = ?/25

0.47 = ?/100

30% = ?/20

96% = ?/25

0.02 = ? %

33.26 x 29 =

What is £79.90 if it is shared out to 34 people?

7.62 x 0.7 = answer to the third decimal point.

A packet contains 1.5 kg of oats. Every day Maria uses 50 g of oats to make porridge. She has 1.5 kg of oats. How many days does the packet of oats last?

n = 22 What is 2n + 9?

2q + 4 = 100 Work out the value of q.

Write the number that is five less than ten million.

Miss Mills is making jam to sell at the school fair. Strawberries cost £7.50 per kg. Sugar costs 79p per kg. 10 glass jars cost £6.90 She uses 12 kg of strawberries and 10 kg of sugar to make 20 jars full of jam. Calculate the total cost to make 20 jars full of jam.

A toy shop orders 11 boxes of marbles. Each box contains 6 bags of marbles. Each bag contains 45 marbles. How many marbles does the shop order in total?

Lara chooses a number less than 20 She divides it by 2 and then adds 6 She then divides this result by 3 Her answer is 4.5 What was the number she started with?

7y + 12 = 5y + 40 Solve for Y. (Hint: since this is an equation, both sides have to equal the same value. Once you figure that out, you can find Y)

n and p stand for two numbers. n is a multiple of 5 p is a multiple of 6 n/p = 2/3 Find numbers that n and p stand for.

Three apples have a mean (average) mass of 100 grams. The largest apple is removed. The mean mass of the remaining two apples is 70 grams. What is the mass of the largest apple?

Write the missing number: 12.5 / ? = 7.5 / 1.5

Write the missing number: 16 x 4 = ? x 8

How many days old will the baby be when she has lived for one million seconds?