Show:
Arrow Way Subtraction
Place Value
Arrow Way Addition
Place Value Disks
Mystery?
100

Solve this subtraction problem using arrow way:

31 - 10 =

31 - 10 = 21

100

How many tens and ones in the number 45?

4 tens and 5 ones

100

Solve this addition problem using arrow way:

12 + 10 =

12 + 10 = 22

100

Solve this problem using place value disks:

16 + 23 =

16 + 23 = 39

100

How many tens and ones are in the number 90?

9 tens 0 ones

200

Solve this subtraction problem using arrow way:

43 - 12 = 

43 - 12 = 31

200

How many tens are in the number 167?

6 tens

200

Solve this addition problem using arrow way:

23 + 12 =

23 + 12 = 35

200

Solve this problem using place value disks:

55 - 14 =

55 - 14 = 41

200

Solve this problem using arrow way:

85 + 15 =

85 + 15 = 100

300

Solve this subtraction problem using arrow way:

65 - 20 =

65 - 20 = 45

300

How many tens and ones are in the number 92?

9 tens and 2 ones

300

Solve this addition problem using arrow way:

45 + 20 =

45 + 20 = 65

300

Solve this problem using place value disks:

48 + 23 =

48 + 23 = 71

300

Solve this problem using place value disks:

35 + 58 =

35 + 58 = 93

400

Solve a subtraction problem using arrow way:

77 - 22 =

77 - 22 = 55

400

How many hundreds are in the number 143?

1 hundred

400

Solve this addition problem using arrow way:

34 + 23 =

34 + 23 = 57

400

Solve this problem using place value disks:

48 - 23 =

48 - 23 = 25

400

Write a number with 8 tens, 4 ones, and one hundred.

184

500

Solve this subtraction problem using arrow way:

88 - 35 = 

88 - 35 = 53

500

How many hundreds, tens, and ones are in the number 294?

2 hundreds, 9 tens, 4 ones

500

Solve this addition problem using arrow way:

76 + 35 =

76 + 35 = 111

500

Solve this problem using place value disks:

78 - 39 =

78 - 39 = 39

500

Solve this problem using arrow way:

98 - 45 = 53

98 - 45 = 53