## NRICH PLACE VALUE PROBLEM SOLVING KS2

Watch our videos of multiplication methods that you may not have met before. Who Can Be the Winner? Who said that adding, subtracting, multiplying and dividing couldn’t be fun? Age 5 to 7 Challenge Level: Diagonal Sums Age 7 to 11 Challenge Level: These short problems can be used to test your students’ understanding of place value. Trebling Age 7 to 11 Challenge Level:

How do you know? Balance Power Age 11 to 18 Challenge Level: Who had made the highest even number? All 5 to 11 7 to 14 11 to 16 14 to 18 Challenge level: How many different shapes can you make by fitting the four triangles back together? What numbers could be inside the envelopes? Is there only one solution in each case?

You have two sets of the digits 0 — 9. Complete these two jigsaws then put one on top of the other.

Number problems for inquiring primary learners. These sixteen children are standing in four lines of four, one behind the other.

Investigate the total number of sweets received by people sitting in different positions. Can You Do it Too? How have the numbers been placed in this Carroll diagram?

# Place Value and Powers :

To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. Four of these clues are needed to find the chosen number on this grid and four are true but pproblem nothing to help rnich finding the number.

Can you put the numbers from 1 to 15 on the circles lroblem that no consecutive numbers lie anywhere along a continuous straight line? Nine-pin Triangles Age 7 to 11 Challenge Level: Prison Cells Age 7 to 11 Challenge Level: To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

Largest Even Age 5 to 7 Challenge Level: What is the sum of the numbers that are diagonally opposite each other?

## Place Value, Integers, Ordering & Rounding

Who said that adding probleem be fun? Farey Sequences Age 11 to 14 Challenge Level: Light the Lights Age 5 to 7 Challenge Level: These activities lend themselves to systematic working in the sense that it helps to have an ordered approach. Can you arrange these in the five boxes to make two-digit numbers as close to the targets as possible?