Solve this subtraction problem using arrow way:
31 - 10 =
31 - 10 = 21
How many tens and ones in the number 45?
4 tens and 5 ones
Solve this addition problem using arrow way:
12 + 10 =
12 + 10 = 22
Solve this problem using place value disks:
16 + 23 =
16 + 23 = 39
How many tens and ones are in the number 90?
9 tens 0 ones
Solve this subtraction problem using arrow way:
43 - 12 =
43 - 12 = 31
How many tens are in the number 167?
6 tens
Solve this addition problem using arrow way:
23 + 12 =
23 + 12 = 35
Solve this problem using place value disks:
55 - 14 =
55 - 14 = 41
Solve this problem using arrow way:
85 + 15 =
85 + 15 = 100
Solve this subtraction problem using arrow way:
65 - 20 =
65 - 20 = 45
How many tens and ones are in the number 92?
9 tens and 2 ones
Solve this addition problem using arrow way:
45 + 20 =
45 + 20 = 65
Solve this problem using place value disks:
48 + 23 =
48 + 23 = 71
Solve this problem using place value disks:
35 + 58 =
35 + 58 = 93
Solve a subtraction problem using arrow way:
77 - 22 =
77 - 22 = 55
How many hundreds are in the number 143?
1 hundred
Solve this addition problem using arrow way:
34 + 23 =
34 + 23 = 57
Solve this problem using place value disks:
48 - 23 =
48 - 23 = 25
Write a number with 8 tens, 4 ones, and one hundred.
184
Solve this subtraction problem using arrow way:
88 - 35 =
88 - 35 = 53
How many hundreds, tens, and ones are in the number 294?
2 hundreds, 9 tens, 4 ones
Solve this addition problem using arrow way:
76 + 35 =
76 + 35 = 111
Solve this problem using place value disks:
78 - 39 =
78 - 39 = 39
Solve this problem using arrow way:
98 - 45 = 53
98 - 45 = 53