Rainbow Math
Ordinal/Cardinal Numbers and Place Value
Missing Variable and Balancing
Addition and Subtraction
Random
100

10 + 4 +20 + 6

40

100

The number in the hundreds place:

56,783

7

100

Solve for x:

x+12 = 18

6

100

     24,345

-     4,225

20,120

100
What is the perimeter of a square with a side of 4?

16

200

253 + 126 + 47 + 24

450

200

Are the numbers below ordinal or cardinal?

1, 5, 8, 12, 23

Cardinal

200

Solve for x:

x + 15 = 6 + 9

0

200
   1,345

+ 6,258

   7,603

200

What is the area of a rectangle with sides of 3 and 5?

15

300

786 + 214 + 812 + 188

2,000

300

Number in the thousands place:


4,567,890

7

300

Solve for x:

x -17 = 35

52

300

    156,782

-    34,254

122,528

300

45 tens make what number?

450

400

520 + 180 + 340 - 40

1,000

400

What are the ordinal numbers below:

First, 4, Fifth, 8, Twenty fifth

First, Fifth, Twenty fifth

400

Solve for x:

62 + x = 85

23

400

   623,435

+ 258,765

884,200

400

Which symbol should be used below?  <, >, or =

25 +13     16 +18

>

500

4,325 + 890 + 175 + 210

5,600

500

Number in the ten millions place:

546,783,465

4

500

Solve for x:

1,426 + x = 2,453 + 756

1,783

500
  1,432,000

-    625,789

806,211

500

How many odd numbers are there below?

100, 243, 546, 322, 676, 903

2