Counting to 100: practice solutions, Kindergarten – download the PDF

1 Count the dots ★★★

Count one dot at a time: the first ten dots are blue, then 11, 12, 13, 14, 15, 16, 17.

There are 17 dots.

2 Write the number ★★★

1. eight is 8
2. twelve is 12, one ten and 2 ones
3. fifteen is 15, one ten and 5 ones
4. twenty is 20

3 What comes next? ★★★

1. The next number is 7.
2. After 19 comes 20.
3. After 10 comes 11.
4. After 30 comes 31.

4 Count by tens ★★★

Each number is ten more. After 30 comes 40, then 50.

The missing numbers are 40 and 50.

5 What comes before? ★★★

The number before is one less.

1. 7, 8
2. 14, 15
3. 19, 20
4. 39, 40

6 True or false? ★★★

1. True. After 49 a new ten starts, so 50 comes next.
2. False. 19 comes before 20, because 19 is one less than 20.
3. True. Each number is ten more than the one before.

7 Tens words ★★★

1. thirty is 30
2. sixty is 60
3. ninety is 90
4. one hundred is 100

8 Count on from 6 ★★★

Do not say 6 again. Count on: 7, 8, 9, 10, 11.

You land on 11.

9 Missing numbers ★★★

Between 32 and 34 is 33. Between 34 and 36 is 35.

The sequence is 31, 32, 33, 34, 35, 36.

10 Find the blanks on the chart ★★★

Use the numbers around each blank.

• 66 comes after 65 and before 67.
• 74 is after 73 and before 75.
• 89 is before 90 and after 88.

The hidden numbers are 66, 74 and 89.

11 Start at 30 ★★★

Add ten each time: 60, 70, 80.

The blanks are 60, 70 and 80.

12 One more ★★★

1. One more than 59 is 60.
2. One more than 99 is 100.
3. One more than 19 is 20.

13 Stickers on pages ★★★

Count by tens, one page at a time: 10, 20, 30, 40, 50, 60. As a number sentence: \(10 + 10 + 10 + 10 + 10 + 10 = 60\).

Maya has 60 stickers.

14 Put in order ★★★

Look at the tens first. 17 has one ten, 27 has two tens, 70 has seven tens and 72 has seven tens and 2 ones.

The order is 17, 27, 70, 72.

15 Count on to the next ten ★★★

Count on from 37: 38, 39, 40.

She says 38, 39, 40.

16 Forward from 91 ★★★

Count on: 92, 93, 94, 95, 96, 97, 98, 99, 100.

You say 9 numbers and stop at 100.

17 Find the mistake ★★★

After 47 comes 48. Leo said 49 too early.

He skipped 48. The correct count is 45, 46, 47, 48, 49, 50.

18 Dimes ★★★

Count by tens: 10, 20, 30, 40, 50, 60, 70. As a number sentence: \(10 + 10 + 10 + 10 + 10 + 10 + 10 = 70\), or seven tens.

Ben has 70 cents.

19 A column on the chart ★★★

Moving one row down adds ten. After 24 comes 24 + 10 = 34, then 34 + 10 = 44.

The blanks are 34 and 44. All the numbers in this column end with 4.

20 Number riddle ★★★

One more than 66 is 67, and one less than 68 is 67. I am 67.

Between 39 and 41 comes 40, because 39, 40, 41 are in order.

21 Hops on the number line ★★★

Count on from 12: 13, 14, 15, 16, 17, 18.

Ana lands on 18.

22 Missing tens ★★★

The pattern adds ten: 30 after 20, and 60 after 50. The missing numbers are 30 and 60.

From 70: 80, 90, 100. You need 3 more tens.