
22 problems graded by difficulty (★ easy, ★★ medium, ★★★ hard). Try first, without looking at the solutions!
2 Write the number ★★★
Write each number with digits.
- eight
- twelve
- fifteen
- twenty
3 What comes next? ★★★
Say the next number.
- 4, 5, 6, __
- 18, 19, __
- 9, 10, __
- 29, 30, __
4 Count by tens ★★★
Count by tens and fill in the blanks: 10, 20, 30, __, __.
5 What comes before? ★★★
Write the number that comes right before.
- __, 8
- __, 15
- __, 20
- __, 40
6 True or false? ★★★
Say true or false and explain.
- After 49 comes 50.
- 20 comes before 19.
- When you count by tens you say 10, 20, 30, 40.
7 Tens words ★★★
Write each number with digits.
- thirty
- sixty
- ninety
- one hundred
8 Count on from 6 ★★★
Start at 6 and count on five more numbers. Write what you say.
9 Missing numbers ★★★
Fill in the blanks: 31, 32, __, 34, __, 36.
10 Find the blanks on the chart ★★★
Three numbers are hidden. Write them.
11 Start at 30 ★★★
Count by tens: 30, 40, 50, __, __, __.
12 One more ★★★
Write the number that is one more.
- one more than 59
- one more than 99
- one more than 19
13 Stickers on pages ★★★
Maya puts 10 stickers on each page of her album. She fills 6 pages. How many stickers does she have?
14 Put in order ★★★
Write these numbers in order from the smallest to the biggest: 27, 72, 17, 70.
15 Count on to the next ten ★★★
Zoe is on 37. She counts on until she reaches 40. Which numbers does she say?
16 Forward from 91 ★★★
Start at 91 and keep counting forward until you reach 100. Write every number you say.
17 Find the mistake ★★★
Leo counted: 45, 46, 47, 49, 50. He skipped a number. Which one? Write the correct count.
18 Dimes ★★★
A dime is worth 10 cents. Ben has 7 dimes. Count by tens to find out how many cents he has.
19 A column on the chart ★★★
The colored squares are in the same column of a hundred chart. Which numbers go in the two blank squares?
20 Number riddle ★★★
I am one more than 66 and one less than 68. Which number am I? Then find the number that is between 39 and 41.
21 Hops on the number line ★★★
Ana starts at 12 on the number line and hops forward 6 times, one number each time. Where does she land?
22 Missing tens ★★★
Fill in the blanks: 10, 20, __, 40, 50, __, 70. Then say how many tens you need to reach 100 from 70.
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