| 10 or 1 ten | 20 or 2 tens | 30 or 3 tens | 40 or 4 tens | Adding tens and tens! |
|---|---|---|---|---|
|
What is 20
10+10=
|
What is 30
10 + 20 =
|
What is 40
10 + 30 =
|
What is 40
40 + 0 =
|
What is 30
10 + 2 tens =
|
|
What is 30
20+10=
|
What is 40
20 + 20 =
|
What is 10
40 - 30 =
|
What is 50
10 + 40 =
|
What is 40
1 ten + 30 =
|
|
What is 20
30-10=
|
What is 10
30-20=
|
What is 40
30 + 10 =
|
What is 10
50 - 40 =
|
What is 30
20 + 1 ten =
|
|
What is 3 tens
2 tens + 1 ten =
|
What is 3 tens
1 ten + 2 tens =
|
What is 1 ten
4 tens - 3 tens =
|
What is 4 tens
0 tens + 4 tens =
|
What is 40
10 + 3 tens =
|
|
What is 2 tens
3 tens - 1 ten =
|
What is 2 tens
4 tens - 2 tens =
|
What is 4 tens
1 ten + 3 tens =
|
What is 3 tens
4 tens - 1 ten =
|
What is 50
30 + 2 tens =
|
Support Us on Ko-fi