Step-by-step Maths Level 1 Number bonds to 5: check-up and practice test questions

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 5.
   5 and 5
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 5 = 0
3. Write the missing part.
   0

Check. Put the two parts back together: 5 and 0 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 3.
   5 and 3
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 3 = 2
3. Write the missing part.
   2

Check. Put the two parts back together: 3 and 2 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 4.
   5 and 4
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 4 = 1
3. Write the missing part.
   1

Check. Put the two parts back together: 4 and 1 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 0.
   5 and 0
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 0 = 5
3. Write the missing part.
   5

Check. Put the two parts back together: 0 and 5 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 2.
   5 and 2
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 2 = 3
3. Write the missing part.
   3

Check. Put the two parts back together: 2 and 3 make 5.

Watch out. The two parts always add up to the whole.

Method. Add the two numbers together. Do they make 5?

1. Add the two numbers. 1 add 1 is the total.
   1 + 1 = 2
2. Compare the total with 5. The pair works only if the total is 5.
   2 is not 5
3. Write the answer.
   No

Check. Count on from 1 to check: the total is 2. ✓

Watch out. Add the two numbers, do not just look at them.

Method. Find the part that goes with the number you know.

1. Read the fact. We know one part and the whole.
   5 and ? make 5
2. Find the missing part. Work out what makes 5 with this part.
   5 - 5 = 0
3. Write the fact.
   5 and 0 make 5

Check. 5 + 0 = 5. ✓

Watch out. Say the whole fact out loud: “5 and 0 make 5”

Method. Add the two numbers. Is the total 5?

1. Add the numbers in the fact. Add 1 and 5.
   1 + 5 = 6
2. Compare with 5. The fact is true only when the total is 5.
   6 is not 5
3. Write the answer.
   No

Check. If the fact is wrong, the correct fact is “1 and 4 make 5.” ✓

Watch out. A fact is true only when the total is exactly 5.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 5.
   5 and 5
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 5 = 0
3. Write the missing part.
   0

Check. Put the two parts back together: 5 and 0 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 4.
   5 and 4
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 4 = 1
3. Write the missing part.
   1

Check. Put the two parts back together: 4 and 1 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 3.
   5 and 3
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 3 = 2
3. Write the missing part.
   2

Check. Put the two parts back together: 3 and 2 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 5.
   5 and 5
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 5 = 0
3. Write the missing part.
   0

Check. Put the two parts back together: 5 and 0 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 3.
   5 and 3
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 3 = 2
3. Write the missing part.
   2

Check. Put the two parts back together: 3 and 2 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 1.
   5 and 1
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 1 = 4
3. Write the missing part.
   4

Check. Put the two parts back together: 1 and 4 make 5.

Watch out. The two parts always add up to the whole.

Method. Add the two numbers together. Do they make 5?

1. Add the two numbers. 0 add 4 is the total.
   0 + 4 = 4
2. Compare the total with 5. The pair works only if the total is 5.
   4 is not 5
3. Write the answer.
   No

Check. Count on from 0 to check: the total is 4. ✓

Watch out. Add the two numbers, do not just look at them.

Method. Find the part that goes with the number you know.

1. Read the fact. We know one part and the whole.
   3 and ? make 5
2. Find the missing part. Work out what makes 5 with this part.
   5 - 3 = 2
3. Write the fact.
   3 and 2 make 5

Check. 3 + 2 = 5. ✓

Watch out. Say the whole fact out loud: “3 and 2 make 5”

Method. Add the two numbers. Is the total 5?

1. Add the numbers in the fact. Add 2 and 3.
   2 + 3 = 5
2. Compare with 5. The fact is true only when the total is 5.
   5 is the same as 5
3. Write the answer.
   Yes

Check. If the fact is wrong, the correct fact is “2 and 3 make 5.” ✓

Watch out. A fact is true only when the total is exactly 5.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 3.
   5 and 3
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 3 = 2
3. Write the missing part.
   2

Check. Put the two parts back together: 3 and 2 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the missing part. Ask what goes with the known part to make the whole.

1. Look at the whole and the part you know. The whole is 5 and the known part is 2.
   5 and 2
2. Count on from the known part to the whole. Or take the known part away from the whole.
   5 - 2 = 3
3. Write the missing part.
   3

Check. Put the two parts back together: 2 and 3 make 5.

Watch out. The two parts always add up to the whole.

Method. Find the part that goes with the number you know.

1. Read the fact. We know one part and the whole.
   0 and ? make 5
2. Find the missing part. Work out what makes 5 with this part.
   5 - 0 = 5
3. Write the fact.
   0 and 5 make 5

Check. 0 + 5 = 5. ✓

Watch out. Say the whole fact out loud: “0 and 5 make 5”