Mental Math Shift Lab
Use compensation and place value to add and subtract 25 and 250 mentally.
Open Mental Math Shift LabGrade 4 now combines mental compensation, large-number expanded form, place-value division and regrouping with visual fraction and decimal reasoning.
Use Mental Math Shift Lab for ±25 and ±250, Expanded Form Lab for larger whole numbers, Division Place Value Lab for long-division reasoning and Fraction & Decimal Grid Lab for tenths, hundredths and equivalence.
Use compensation and place value to add and subtract 25 and 250 mentally.
Open Mental Math Shift LabDecompose larger whole numbers by place value and rebuild them in standard form.
Open Expanded Form LabDivide one place at a time, regroup remainders, build quotient digits, spot mistakes and check with multiplication.
Open Division LabConnect shaded tenths with both fraction notation and decimals.
Interpret shaded hundredths exactly, including values such as 7/100 and 75/100.
Use fraction strips to connect equal fractions such as 1/2, 2/4, 3/6 and 5/10.