Reverse Calculations
10 + ____ = 24
14
1/4 + 2/4 =
3/4
2305 + 108 =
2413
4 x 9 =
36
What is the name of a 5 sided 2D shape?
Pentagon
_____ = 321 - 21
300
10/12 - 7/12 =
3/12
8000 - 200 =
7800
144 ÷ 12
12
A square has a height of 5cm. What is the perimeter of that square?
20cm
_____ - 50 = 420
470
1/4 + 1/8 =
3/8
4398 + 8320 =
12,718
9874 x 5
49,370
In a bag of sweets there are 5 yellow sweets and 7 red sweets. What is the ratio of red to yellow sweets?
7:5
_____ = 9099 + 98746
107,845
12/20 + 3/5 =
24/20
10,000 - 3497 =
6503
6423 ÷ 3 =
2141
Which is the greatest fraction?
3/5 7/10 67/100
7/10
12,098 = ______ - 3298
15,396
3/5 + 2/3 =
19/15
567 + 3025 + 8034 =
11,626
2390 x 24 =
57,360
Tim buys some flowers costing £6.39. He uses a £10 note to pay. What change does he receive?
£3.61