How many tens and ones in the number 25?
2 Tens and 5 Ones
1 more than 12 is ____.
12 + 1 = 13
Fill in the missing numbers in the sequence.
1, 2, 3, ___, ___
4, 5
Write down the number that is greater.
19 15
19
10 + 20 = ?
30
Write the tens and ones and say the numbers. Complete the statement.

There are 14 balloons.
1 less than 20 is ___ .
20 - 1 = 19
Fill in the missing numbers in the sequence.
15, 16, ___, 18, ___
17, 19
Write down the number that is less.
2 tens 5 ones 1 ten 5 ones
1 ten 5 ones
16 - 9 = ?
7
Write the tens and ones, then write the two digit number.

28
10 more than 28 is _____ .
28 + 10 = 38
Fill in the missing numbers in the sequence.
37, ___, 39, ___, 41, ____
38, 40, 42
Count each group and write the greater number.

58
1 ten + 3 tens = ___ tens
______________________
1 ten + 3 tens = 4 tens
10 + 30 = 40
Write the tens and ones, then write the two digit number.

30
10 less than 45 is ____.
45 - 10 = 35
Fill in the missing numbers in the sequence.
50, 40, 30, ___, ___
20, 10
Count each group. Which group has less?

24
Draw using tens and ones. Write the sum.
19 + 10 =
29
Mrs. West is holding 20 marbles in 1 hand and 10 marbles in the other hand. How many marbles does she have in all?
20 + 10 = 30
Mrs. West had 30 marbles.
Douglas has 4 pencils and buys 10 more. Sophia has 18 pencils and loses 1 of them. Who has more pencils now?
Douglas: 4 + 10 = 14
Sophia: 18 - 1 = 17
Sophia!
Fill in the missing numbers in the sequence.
67, 57, ___, 37, ___, ____, ____
47, 27, 17, 7
What do you notice about these two groups?

They are equal.
Ms. B has 2 dimes and 1 penny. Mrs. H has 1 dime. How many cents do they have?
Ms. Qi: 20 +1 = 21
Mrs. West: 10
21 + 10 = 31
They have 31 cents.