🧮 MATH (40 Lessons) • 🟢 A. Numbers and Counting
I can read, say, and count numbers to 100. I can count by ones and by tens. I can use a number line and show tens and ones.
When we count, we say numbers in order. We can count by ones (1, 2, 3…) or by tens (10, 20, 30…).
Count forward (up)
Count backward (down)
Hundred chart tip
Tens and ones
Say the numbers out loud and point carefully so you do not skip any numbers.
Picture: Number line (0–100)
Number line 0–100
Count a few small objects one by one, touching each as you say the number. Now point to a number like 20 on your chart and count forward, then backward. Take your time and repeat it once more.
Drag the numbers into the correct order.
Put the numbers from 1 to 10 in order.
Put the numbers from 5 to 14 in order.
Put the numbers from 10 to 19 in order.
Put the numbers from 20 to 29 in order.
Put the numbers from 25 to 34 in order.
Put the numbers from 40 to 49 in order.
Put the numbers from 55 to 64 in order.
Put the numbers from 82 to 91 in order.
Tap the correct tick on each number line.
Move each slider to the correct number. Say the numbers out loud as you slide.
Answer each question about counting, tens, and ones.
1) Counting by tens from 10 goes…
2) 47 has…
3) The number just before 100 is…
4) What comes after 34 when you count by ones?
5) Ten ones make…
6) 30 is…
7) What comes after 60 when you count by tens?
8) Which number shows 6 tens and 4 ones?
9) What is one more than 29?
10) What is one less than 50?
11) Which list is counting by tens?
12) What number comes after 39?
13) What is 10 more than 30?
14) What is 10 less than 70?
15) On a number line, counting forward usually moves…