Vertical HTU + HTU – Mark Weddell
Vertical addition, formal column method- step by step
Category: Calculating +/-
Vertical HTU + HTU + HTU – Mark Weddell
Vertical/column/formal method, step by step.
Addition – Expanded – A Blundred
Column layout expanded addition – interactive, set out in columns, adds it all up at a series of clicks. Choose from TU + TU to ThHTU +ThHTU or two places of decimals Y3 to Y6
Add It Up – Game Scene
grid of numbers – find succession that add to target number. Timed. Y2/3
Got It! – NRICH
Adding game – add whole numbers to hit target number to win. 2 Player or play against computer Y1
Addition test – Ambleweb
Add two numbers mentally. 3 levels of difficulty: U + U including total over 10, up to 29+14, TU + TU including total over 100. Y3/4
Pyramid – Ambleweb
Addition pyramid – 3 levels of difficulty Y2, Y3, Y4
Ann & Addem – BBC – Number Time
Achieve the target score on the dartboard. some adding or doubling. 3 levels – higher uses multi-step calculation yr R/1/2
Splash – Count On
Add small amounts to move your counter up the spout but not off the end. Two player or against the computer. Y1/2
Number pyramid – adding – Crick
Interactive to explore totals at top when numbers at bottom are changed. Investigative. KS2
Rock Hopper – eGames
Choose numbers to get the frog over to the rock, adding on the way, to get to the total on the rock Adding single digit numbers Y1/2
Rock Hopper (Grade 3) – eGames
Choose a path of multiples to reach the target on the rock – single digit multiples Y2/3
Rock Hopper (Grade 4) – eGames
Choose numbers with pos or neg operators to continuously calculate the way to the large rock, aiming to hit the target number. Y6/7
Addition Surprise – Harcourt School
drag the number to a correct place on an addition square to complete a picture up to 9 + 9 Yr R/1
100 hunt +11 – ICT Games
Add 10 to a given 2 digit number – click the number on the 100 square Y 1/2
100 square hunt – +10 – ICT Games
Add 10 to a given 2 digit number Y 1/2
5 & a bit Ogre Hit – ICT Games
Partition numbers into fives & left overs to help mental adding Y2
Beaver Catch 10 – ICT Games
Catch two beavers who add up to 10 Y1/2
Bridging – ICT Games
mental adding across tens, through to decimals Y2 to y6
Bridging the gap – ICT Games
Bridging the gap – through 10, 20, 50 & using decimals. Y1/2 to Y6
Adding 9 Fairy – ICT Games
Add nine by adding 10 then taking away 1. Y1/2
Flight_for_Fuel – ICT Games
Fly into fuel pods but watch totals & try to fill exactly but not exceed amount allowed. Addition up to 10 Y1/2
Funny Fingers – ICT Games
Click on the fingers to demonstrate addition up to 5 + 5 Y1
Monkey Maths – ICT Games
Click on the bananas to complete the sum – single digit numbers YR/1
Octopus Game – 10 more than – ICT Games
Click & hold on the shell that shows a number 10 more than the given number. Y1/2
Safe Cracker – ICTGames
Learn & practise single digit addition facts (up to 9 + 9) by turning the tumblers on a safe. Y1/2
Safecracker + up to 9 + 9 – ICT Games
Learn & practise single digit addition facts by turning the tumblers on a safe. If you get four correct you can enter the safe & play a game. Y 2
Special Space Jumps – ICT Games
adding single digit numbers by bridging through 10. Jump to the rock & then to the rocket to escape the monster Y1/2
Space jumps – ICT Games
0
Add 10 submarine Challenge – ICT Games
Adding 10 to a number less then 89. Y1
submarine Add 10 challenge – ICT Games
2 player game YR/1
Techno Tortoise – ICT Games
Use a number line to model how to add two 2-digit numbers together by adding the tens digit first. Y3
+5 Fuel Stop – ICTGames
Know bonds of 5. Add by counting on. Add by using bonds & bridging Y1/2
+5 Fuel Stop – ICT Games
Addition bridging using bonds of 5 – add five to the number given to fuel the rocket & send it on its way. Y1/2
Soccer Maths – 2 digit Addition
Add two 2 digit numbers to have the chance to score a goal
Rocket Maths – Primary Resources
Find three consecutive numbers that add up to target number. Launch the rocket into orbit if successful or crash if not. Y3
Add Like Mad – Shepherd Software
click number boxes to reach the target number by successive additions – speed test yr 5/6
Counting on & back – NNS ITP
0
Subtraction by Counting On – M Weddell
ThHTU-ThHTU. Interactive number line to help counting on steps Y5
2 digit difference – Mark Weddell
two 2 digit numbers displayed – find the difference. Crosses tens. 10 secs before answer displayed. Y3
How many to get to 100 – Mark Weddell
Step by step subtraction by counting on using a number line Y4
Bowling – Count Us In
In a bowling game, work out how many pins will be left standing. Simple subtraction Y1
Subtraction test – Ambleweb
3 levels of difficulty. units only, TU-U, including crossing tens, TU-TU including crossing tens. Y1/3
Digit menu – Crick
Subtraction to 20, to 100, 1 or 2 digits Y2/3
100 Square Hunt – Minus10 – ICT Games
Subtract 10 from a given 2 digit number Y 1/2
100 Square Hunt -11 – ICT Games
Click the number on the 100 square that is 11 less than the target number Y1/2
Count on Convict – ICT Games
Subtraction by counting on KS1
10 less shoot out – ICT Games
Say a number that is 10 less than any given number to 99. Y1/2
Soccer Subtraction – ICT Games
see the sum given & click on the footballers to subtract them then have a shot at goal. Y1
Target Take Away – to 20 – ICT Games
Subtraction sum given. Click the targets under the blocks to remove them. Count how many are left. YR/1
Subtraction Action – Kids Numbers
Click on numbers to achieve the target number by successive subtractions – against the clock Y3/4
Sum Sense – Oswego
drag the cards to complete the line subtraction sums Y3
Bricks – Primary Resources
Work downwards on an addition pyramid by subtracting. 4 levels Y1/6
Difference – NNS ITP
0
Subtraction HTU – HTU – Mark Weddell
Step by step vertical subtraction – expanded method Y3/4
Decomposition Expanded – A Blundred
Difficult concept to do in flash – not sure if it is better than teacher’s own! Worth a look, though.
+ & – 9 or 11 – Mark Weddell
Section of 100 square shown for adding or subtracting 9 or 11by using knowledge of 100 square!!
Game show easy – Ambleweb
Fast 4 player game doing calculations with an answer of 20 or less Y2/3
Count Hoot’s + game – BBC – LAAC
Uses spots on ladybirds to make sums. 3 levels, Additon, subtraction or both. Yr R/1/2/3
Count Hoot’s – game – BBC – LAAC
Subtraction with ladybird spots Yr R/1/2/3
Count Hoot’s + & – game – BBC – LAAC
Mixed addition & subtraction with ladybird spots then numbers. 3 levels up to TU under 20. Yr R/1/2/3
Test the toad – BBC – Number Time-
Add & subtract sums up to 20 Yr R/1/2
Pole Climber – Count On
Timed sums, including inverses. 4 levels Y1
+ & – Number Lines – ICT Games
Set start number & intervals to use these addition & subtraction number lines KS1
Empty Number Line – ICT Games
Set the starting point on the empty number line to label it & use the arrows to add in amounts given to find total of two numbers Y 1/2
Merc Move – ICT Games
Solve the problems & reach the target number by crashing into the correct coloured cars. Y2
Bricks 2 – Primary Resources
Addition Pyramid wall to fill in from bottom by addition or from top by inverse. Several combinations of difficulty levels
Missing Numbers – Primary Resources
Fill in missing numbers to complete number sentences. 4 levels of difficulty –
Vertical Addition – HTU + HTU – Mark Weddell
Vertical addition – Standard column method Step by step