Steply

Make 10

Elementary · 20 problems, easy to harder

▶ Watch the first one solved

How we do it

  1. Show 7
  2. Fill the empty boxes
  3. Write the number
  4. Check

The steps for What goes with 7 to make 10. Every solution names its steps, so you always know what comes next.

Worked examples

What goes with 7 to make 10 Easy

The question

Question: what goes with 7 to make 10?

What goes with 7 to make 10?

In numbers: 7 plus what number is 10?

The box is the number we want.

7 + □ = 10

1 Show 7

A ten frame has 10 boxes.

2 Fill the empty boxes

How many boxes are empty?

We fill them with blue dots.

We count them.

3 Write the number

3 blue dots fill the frame.

So 7 and 3 make 10.

7 + 3 = 10

4 Check

We count all the dots.

We start at 7 and count on.

8, 9, 10.

Yes!

It works.

7, 8, 9, 10

Let's look back.

First: show 7.

Then: fill the empty boxes.

Then: write the number.

Last: check.

Answer
7 + 3 = 10

▶ Watch it solved

Calculate 10 = 4 + □ Medium

The question

Question: 10 = 4 + □.

What number goes in the box?

10 = 4 + □

1 Show 4

A ten frame has 10 boxes.

2 Fill the empty boxes

How many boxes are empty?

We fill them with blue dots.

We count them.

3 Write the number

6 blue dots fill the frame.

So 4 and 6 make 10.

10 = 4 + 6

4 Check

We count all the dots.

We start at 4 and count on.

5, 6, 7, 8, 9, 10.

Yes!

It works.

4, 5, 6, 7, 8, 9, 10

Let's look back.

First: show 4.

Then: fill the empty boxes.

Then: write the number.

Last: check.

Answer
10 = 4 + 6

▶ Watch it solved

What goes with 10 to make 10 Harder

The question

Question: what goes with 10 to make 10?

What goes with 10 to make 10?

In numbers: 10 plus what number is 10?

The box is the number we want.

10 + □ = 10

1 Show 10

A ten frame has 10 boxes.

2 Fill the empty boxes

No box is empty.

The frame is full already.

3 Write the number

We need 0 more.

10 and 0 make 10.

10 + 0 = 10

4 Check

10 dots.

Yes!

It works.

10

Let's look back.

First: show 10.

Then: fill the empty boxes.

Then: write the number.

Last: check.

Answer
10 + 0 = 10

▶ Watch it solved

Practice

Try each one, then open the answer. Stuck? Open the problem to watch every step.

Easy

  1. what goes with 7 to make 10
    Answer
    7 + 3 = 10
  2. what goes with 5 to make 10
    Answer
    5 + 5 = 10
  3. what goes with 9 to make 10
    Answer
    9 + 1 = 10
  4. what goes with 3 to make 10
    Answer
    3 + 7 = 10
  5. what goes with 6 to make 10
    Answer
    6 + 4 = 10
  6. what goes with 8 to make 10
    Answer
    8 + 2 = 10
  7. what goes with 4 to make 10
    Answer
    4 + 6 = 10
  8. what goes with 2 to make 10
    Answer
    2 + 8 = 10

Medium

  1. 10 = 4 + □
    Answer
    10 = 4 + 6
  2. 10 = 2 + □
    Answer
    10 = 2 + 8
  3. 6 + □ = 10
    Answer
    6 + 4 = 10
  4. 1 + □ = 10
    Answer
    1 + 9 = 10
  5. 8 + □ = 10
    Answer
    8 + 2 = 10
  6. 10 = 7 + □
    Answer
    10 = 7 + 3

Harder

  1. what goes with 10 to make 10
    Answer
    10 + 0 = 10
  2. what goes with 0 to make 10
    Answer
    0 + 10 = 10
  3. 10 = 9 + □
    Answer
    10 = 9 + 1
  4. 3 + □ = 10
    Answer
    3 + 7 = 10
  5. 10 = 5 + □
    Answer
    10 = 5 + 5
  6. make 10 with 2
    Answer
    2 + 8 = 10