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NUMBER BONDS MASTERY

Master the pairs that make 10, 20, and 100 - the foundation of mental maths.

L1L2L3

CS.N.P.1·Recognizing and forming groups of objects(P)CS.N.1.3·Performing addition with numbers 0–100(I)

Section 1 / 3

FRIENDS OF TEN

Number bonds to 10 are the most important facts in mental maths: 1+9, 2+8, 3+7, 4+6, 5+5. When you see any addition or subtraction, your brain should instantly spot these pairs.

Bonds to 10

11+9, 2+8, 3+7, 4+6, 5+5

2These are your secret weapons!

= 10

LEADER TIP

Drill bonds to 10 until they are truly automatic - within 2 seconds. Everything else in mental maths builds on this.

PRACTICE WITH THESE GAMES

🎴Find the Pairs 🎴Timed Pairs ⚖️Number Balance

Want more practice? Generate printable worksheets with similar problems.

Go to Worksheets

CONTINUE WITH:

🌉Bridging Through Ten

NUMBER BONDS MASTERY

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