KS2 Maths Challenge semifinalquestions2009
... Which number must go into the box on the right side of the scales to balance them with the left side? ...
... Which number must go into the box on the right side of the scales to balance them with the left side? ...
Number Riddles - Standards Toolkit
... b. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones. c. The numbers 10, 20, 30, 40, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones). ...
... b. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones. c. The numbers 10, 20, 30, 40, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones). ...
Rounding to the Nearest Ten and Hundred
... nearest ten. Rounding to the leftmost unit usually presents the least challenging type of estimate for students, and so here the sequence begins. Students measure two‐digit intervals of minutes and metric measurements, and then use place value understanding to round. They understand that when m ...
... nearest ten. Rounding to the leftmost unit usually presents the least challenging type of estimate for students, and so here the sequence begins. Students measure two‐digit intervals of minutes and metric measurements, and then use place value understanding to round. They understand that when m ...