Tutorpip← About this lessonABCWith the answer keyDownload PDF
Abacus · Ages 5+ · Set A
Tens with tens, ones with ones
Scan to mark
on screen
A
Name
Date
Start Finish
Goal: 15 min
Score/ 11
Remember: Ones join ones and tens join tens. Add one row at a time.

Listen and answer

A grown-up reads the story aloud first.

Pip addsPip adds on the frame. Loose beads are ones, so they go on the bottom row. A bag of ten is a ten, so it goes on the top row. Ones join ones, and tens join tens.
1
Which row do loose beads go on?
👆Top row👇Bottom row
2
Where does a bag of ten go?
👆Top row👇Bottom row
3
Ones join tens.
TrueFalse

Add on the frame

4
What number is on the frame?
32235
5
Add 24 and 3. Which frame is the answer?
🦆
A🐸
B🐟
C
6
32 + 15 =
7
41 + 28 makes 69.
TrueFalse
8
Join each sum to its answer.
  1. 111 + 12
  2. 220 + 15
  3. 332 + 6
  • A23
  • B35
  • C38

Think and do

9
Ben has 14 beads. He adds 5 more. How many?
641519
10
The tens row moves when we add loose ones.
TrueFalse
11
Number the steps to add 32 and 15.
  • Read the answer: 47
  • Show 32 on the frame
  • Add the ones: 5 more
  • Add the tens: 1 more
12
Draw the beads for 21 on the frame.
13
Copy it. tens with tens
Scan the code at the top to mark this sheet on screenTake a photo of your answers or type them. It is marked for you automatically, and your score is kept.