Open Number Line
Riddles
Measurement
Place Value
100

Solve the following problem on the open number line: 49 + 10 =

59

100

I have 4 tens and 7 ones. What number am I?

47

100

The gray bean is 18 cubes long. The white bean is 14 cubes long. Which bean is longer?

the gray bean

100

I currently have 13 units. My friend gives me 1 ten and 3 ones. How many do I have now?

26 units

200

Solve the following problem on the open number line 57 + 20=

77

200

I have 8 tens and 9 ones. What number am I?

89

200

The gray bean is 7 cubes. The white bean is 4 cubes. How much longer is the gray bean than the white bean?

3 cubes.

200

I currently have 25 units. My friend gives me 4 tens and 2 ones. How many units do I have now?

67 units

300

Solve the following problem on the number line 26 + 21 =

47
300

I have 12 tens. What number am I?

120

300

The gray bean is 15 cubes. The white bean is 8 cubes. How much longer is the gray bean than the white bean?

7 cubes

300

I currently have 48. My friend gives me 4 tens and 7 ones. How many units do I have now?

95 units 

400

Solve the following problem on the number line 54 + 33 =

87

400

I have 17 tens. What number am I?

170

400

The gray bean is 16 cubes. The white bean is 20 cubes. How much longer is the white bean than the gray bean?

4 cubes longer

400

I currently have 100 units. My friend gives me 2 tens and 5 ones. How many units do I have now?

125 units.

500

Solve the following problem on the number line 98 + 10

108

500

I have 1 hundred, 3 tens, and 6 ones. What number am I?

136

500

1 green bean - 20 cubes.

If Jack had 2 green beans, how many cubes is that altogether?

40 cubes

500
I currently have 100 units. My friend gives me 1 hundred, 2 tens, and 7 ones. How many units do I have now?

227 units