KS2 Maths: Adding and subtracting using mental maths

In a mythical temple full of obstacles, Olivia and Hassan learn simple mental maths and apply it to work out the passcode to open the door.
YouTube on MSNOpinion

Adding and subtracting radical terms

👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be ...
YouTube on MSNOpinion

Subtracting the cube root of two numbers and simplifying

👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be ...
PBS

Add and Subtract 3-Digit Numbers

Add and subtract three-digit numbers with Springling and Minni and Subbi. Join Mrs. McCartney for a Number Talk with D.C. and Value Pak. We'll add and subtract three-digit numbers with Springling and ...
BBC

Adding and subtracting negative numbers

To add -4 and 5, draw the starting number on a number line and count to the right when adding numbers. What is the difference in temperature between a desert at 40 °C and a mountain top at -2 °C? \(40 ...
PBS

Subtract a 1-Digit from a 2-Digit Number

Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Can you solve the ...