Free Lesson Slides Available Here
| Objective | Practice Link | Objective | Practice Link |
Number Bonds To 5, eg: 3 + ? = 5 | https://arith.io/play/To5 | Partitioning & Recombining eg: 378 = ? + 70 + 8 | https://arith.io/play/Partition |
| Number Bonds To 10, eg: 6 + ? = 10 | https://arith.io/play/To10 | Find 10, 100, 1,000 more or less than a given number eg: ? + 100 = 2365 | https://arith.io/play/10 |
| Number Bonds To 20, eg: 20 – 12 = ? | https://arith.io/play/To20 | Compliments to 100 eg: 70 + ? = 100 | https://arith.io/play/100 |
| Number Bonds To 100 (in Tens), eg: 30 + ? = 100 | https://arith.io/play/To100intens | Add or subtract a two-digit number to or from a multiple of 10 eg: 80 + 52 = ? | https://arith.io/play/multiplefo10 |
| Number Bonds To 100 (Any), eg: 56 + ? = 100 | https://arith.io/play/To100any | Associative law for addition eg: 3 + 9 + 7 = ? | https://arith.io/play/associative |
Add 10 to any number, eg: 43 + 10 = ? | https://arith.io/play/Add10 | What must be added to any 2- or 3-digit number to make the next multiple of 100 eg: 237 + ? = 300 | https://arith.io/play/2-3digit |
| Subtract 10 from any number, eg: 79 – 10 = ? | https://arith.io/play/Subtract10 | Multiply integers by 10 & 100 eg: 24 x ? = 2400 | https://arith.io/play/10and100 |
| Add any number within 10, eg: 3 + 6 = ? | https://arith.io/play/Within10 | Divide integers by 10 & 100 eg: 700 ÷ ? = 7 | https://arith.io/play/D10and100 |
| Subtract any number within 10, eg: 9 – 5 = ? | https://arith.io/play/Subtractwithin10 | Double any 2-digit number eg: 32 x 2 = ? | https://arith.io/play/d2d |
| Add any number within 20, eg: 12 + 6 = ? | https://arith.io/play/Addwithin20 | Halve any 2-digit number eg: 84 ÷ 2 = ? | https://arith.io/play/h2d |
| Subtract any number within 20, eg: 17 – 11 = ? | https://arith.io/play/Subtractwithin20 | Associative law of multiplication eg: 10 x 2 x 5 = ? | https://arith.io/play/alm |
| Add any number within 100, eg: 33 + 46 = ? | https://arith.io/play/Addwithin100 | Pairs of fractions that total eg: 1 1/5 + ? = 1 | https://arith.io/play/total1 |
| Subtract any number within 100, eg: 78 – 56 = ? | https://arith.io/play/Subtractwithin100 | Multiply & Divide Fractions eg: 1/3 ÷ 4 = ? | https://arith.io/play/divfraction |
Partitioning & recombining decimals eg: 2.61 = 2 + ? + 0.01 | https://arith.io/play/Decimalspart | Fractions of Amounts eg: 5/8 of 24 = ? | https://arith.io/play/amount |
| Number bonds to 1 eg: 0.6 + ? = 1 | https://arith.io/play/to1 | Percentage of an amount: Multiples of 1% (up to 9) & 10% eg: 40% of 200 = ? | https://arith.io/play/multiples |
| Convert decimals to fractions: quarters, halves, tenths and hundredths eg: 0.25 = ?/4 | https://arith.io/play/dtof | Percentage of an amount: 25% & 99% eg: 99% of 500 = ? | https://arith.io/play/25and99 |
| Divide a 1- or 2-digit number by 10 or 100 eg: 84 ÷ ? = 8.4 | https://arith.io/play/Divide10 | Convert Fractions & Decimals to Percentages eg: 3/5 = ? % | https://arith.io/play/FDP |